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Finding the Fourth Proportional to 159,753.60, 220,460.70 and 88,133.60

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Solution

The fourth proportional to 159,753.60, 220,460.70 and 88,133.60 is: 121,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,753.60 : 220,460.70 = 88,133.60 : x
  2. Step 2: Convert to fraction form
    159,753.60/220,460.70 = 88,133.60/x
  3. Step 3: Cross multiply
    159,753.60x = 220,460.70 × 88,133.60
  4. Step 4: Simplify right side
    159,753.60x = 19,429,995,149.52
  5. Step 5: Solve for x
    x = 19,429,995,149.52/159,753.60
  6. Step 6: Final answer
    x = 121,624.77

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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.