Home / 190,272-262,575.36-105,394.53

Finding the Fourth Proportional to 190,272, 262,575.36 and 105,394.53

Calculator

Solution

The fourth proportional to 190,272, 262,575.36 and 105,394.53 is: 145,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,272 : 262,575.36 = 105,394.53 : x
  2. Step 2: Convert to fraction form
    190,272/262,575.36 = 105,394.53/x
  3. Step 3: Cross multiply
    190,272x = 262,575.36 × 105,394.53
  4. Step 4: Simplify right side
    190,272x = 27,674,006,656.78
  5. Step 5: Solve for x
    x = 27,674,006,656.78/190,272
  6. Step 6: Final answer
    x = 145,444.45

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.