Home / 118,755.43-178,088.54-38,774.71

Finding the Fourth Proportional to 118,755.43, 178,088.54 and 38,774.71

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Solution

The fourth proportional to 118,755.43, 178,088.54 and 38,774.71 is: 58,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,755.43 : 178,088.54 = 38,774.71 : x
  2. Step 2: Convert to fraction form
    118,755.43/178,088.54 = 38,774.71/x
  3. Step 3: Cross multiply
    118,755.43x = 178,088.54 × 38,774.71
  4. Step 4: Simplify right side
    118,755.43x = 6,905,331,298.95
  5. Step 5: Solve for x
    x = 6,905,331,298.95/118,755.43
  6. Step 6: Final answer
    x = 58,147.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.