Home / 99,557.90-137,389.90-54,845.90

Finding the Fourth Proportional to 99,557.90, 137,389.90 and 54,845.90

Calculator

Solution

The fourth proportional to 99,557.90, 137,389.90 and 54,845.90 is: 75,687.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,557.90 : 137,389.90 = 54,845.90 : x
  2. Step 2: Convert to fraction form
    99,557.90/137,389.90 = 54,845.90/x
  3. Step 3: Cross multiply
    99,557.90x = 137,389.90 × 54,845.90
  4. Step 4: Simplify right side
    99,557.90x = 7,535,272,716.41
  5. Step 5: Solve for x
    x = 7,535,272,716.41/99,557.90
  6. Step 6: Final answer
    x = 75,687.34

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.