Home / 363,303-545,042-113,985

Finding the Fourth Proportional to 363,303, 545,042 and 113,985

Calculator

Solution

The fourth proportional to 363,303, 545,042 and 113,985 is: 171,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,303 : 545,042 = 113,985 : x
  2. Step 2: Convert to fraction form
    363,303/545,042 = 113,985/x
  3. Step 3: Cross multiply
    363,303x = 545,042 × 113,985
  4. Step 4: Simplify right side
    363,303x = 62,126,612,370
  5. Step 5: Solve for x
    x = 62,126,612,370/363,303
  6. Step 6: Final answer
    x = 171,004.95

Related Problems

Find fourth proportional to 181,651.50, 272,521 and 56,992.50
Half scale
Find fourth proportional to 726,606, 1,090,084 and 227,970
Double scale
Find fourth proportional to 363,304, 545,043.50 and 113,986
Similar ratio
Find fourth proportional to 544,954.50, 817,563 and 170,977.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.