Home / 141,400.17-195,130.49-77,737.41

Finding the Fourth Proportional to 141,400.17, 195,130.49 and 77,737.41

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Solution

The fourth proportional to 141,400.17, 195,130.49 and 77,737.41 is: 107,276.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,400.17 : 195,130.49 = 77,737.41 : x
  2. Step 2: Convert to fraction form
    141,400.17/195,130.49 = 77,737.41/x
  3. Step 3: Cross multiply
    141,400.17x = 195,130.49 × 77,737.41
  4. Step 4: Simplify right side
    141,400.17x = 15,168,938,515.94
  5. Step 5: Solve for x
    x = 15,168,938,515.94/141,400.17
  6. Step 6: Final answer
    x = 107,276.66

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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.