Home / 141,399.26-195,132.29-77,737.50

Finding the Fourth Proportional to 141,399.26, 195,132.29 and 77,737.50

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Solution

The fourth proportional to 141,399.26, 195,132.29 and 77,737.50 is: 107,278.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,399.26 : 195,132.29 = 77,737.50 : x
  2. Step 2: Convert to fraction form
    141,399.26/195,132.29 = 77,737.50/x
  3. Step 3: Cross multiply
    141,399.26x = 195,132.29 × 77,737.50
  4. Step 4: Simplify right side
    141,399.26x = 15,169,096,005.19
  5. Step 5: Solve for x
    x = 15,169,096,005.19/141,399.26
  6. Step 6: Final answer
    x = 107,278.47

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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.