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Finding the Fourth Proportional to 176,642.67, 243,761.67 and 100,168.74

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Solution

The fourth proportional to 176,642.67, 243,761.67 and 100,168.74 is: 138,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,642.67 : 243,761.67 = 100,168.74 : x
  2. Step 2: Convert to fraction form
    176,642.67/243,761.67 = 100,168.74/x
  3. Step 3: Cross multiply
    176,642.67x = 243,761.67 × 100,168.74
  4. Step 4: Simplify right side
    176,642.67x = 24,417,299,344.20
  5. Step 5: Solve for x
    x = 24,417,299,344.20/176,642.67
  6. Step 6: Final answer
    x = 138,229.90

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1.5x scale

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.