Home / 118,781.46-177,280.02-102,699.90

Finding the Fourth Proportional to 118,781.46, 177,280.02 and 102,699.90

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Solution

The fourth proportional to 118,781.46, 177,280.02 and 102,699.90 is: 153,278.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,781.46 : 177,280.02 = 102,699.90 : x
  2. Step 2: Convert to fraction form
    118,781.46/177,280.02 = 102,699.90/x
  3. Step 3: Cross multiply
    118,781.46x = 177,280.02 × 102,699.90
  4. Step 4: Simplify right side
    118,781.46x = 18,206,640,326.00
  5. Step 5: Solve for x
    x = 18,206,640,326.00/118,781.46
  6. Step 6: Final answer
    x = 153,278.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.