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Finding the Fourth Proportional to 88,808.70, 133,099.65 and 36,158.70

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Solution

The fourth proportional to 88,808.70, 133,099.65 and 36,158.70 is: 54,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,808.70 : 133,099.65 = 36,158.70 : x
  2. Step 2: Convert to fraction form
    88,808.70/133,099.65 = 36,158.70/x
  3. Step 3: Cross multiply
    88,808.70x = 133,099.65 × 36,158.70
  4. Step 4: Simplify right side
    88,808.70x = 4,812,710,314.46
  5. Step 5: Solve for x
    x = 4,812,710,314.46/88,808.70
  6. Step 6: Final answer
    x = 54,191.88

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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.