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Finding the Fourth Proportional to 88,900.60, 133,350.90 and 84,818.20

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Solution

The fourth proportional to 88,900.60, 133,350.90 and 84,818.20 is: 127,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,900.60 : 133,350.90 = 84,818.20 : x
  2. Step 2: Convert to fraction form
    88,900.60/133,350.90 = 84,818.20/x
  3. Step 3: Cross multiply
    88,900.60x = 133,350.90 × 84,818.20
  4. Step 4: Simplify right side
    88,900.60x = 11,310,583,306.38
  5. Step 5: Solve for x
    x = 11,310,583,306.38/88,900.60
  6. Step 6: Final answer
    x = 127,227.30

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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.