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Finding the Fourth Proportional to 152,001.70, 209,707.05 and 88,324.90

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Solution

The fourth proportional to 152,001.70, 209,707.05 and 88,324.90 is: 121,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,001.70 : 209,707.05 = 88,324.90 : x
  2. Step 2: Convert to fraction form
    152,001.70/209,707.05 = 88,324.90/x
  3. Step 3: Cross multiply
    152,001.70x = 209,707.05 × 88,324.90
  4. Step 4: Simplify right side
    152,001.70x = 18,522,354,220.55
  5. Step 5: Solve for x
    x = 18,522,354,220.55/152,001.70
  6. Step 6: Final answer
    x = 121,856.23

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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.