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Finding the Fourth Proportional to 119,102.92, 178,658.40 and 59,906.32

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Solution

The fourth proportional to 119,102.92, 178,658.40 and 59,906.32 is: 89,861.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,102.92 : 178,658.40 = 59,906.32 : x
  2. Step 2: Convert to fraction form
    119,102.92/178,658.40 = 59,906.32/x
  3. Step 3: Cross multiply
    119,102.92x = 178,658.40 × 59,906.32
  4. Step 4: Simplify right side
    119,102.92x = 10,702,767,281.09
  5. Step 5: Solve for x
    x = 10,702,767,281.09/119,102.92
  6. Step 6: Final answer
    x = 89,861.50

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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.