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Finding the Fourth Proportional to 90,592.73, 135,905.00 and 34,437.74

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Solution

The fourth proportional to 90,592.73, 135,905.00 and 34,437.74 is: 51,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,592.73 : 135,905.00 = 34,437.74 : x
  2. Step 2: Convert to fraction form
    90,592.73/135,905.00 = 34,437.74/x
  3. Step 3: Cross multiply
    90,592.73x = 135,905.00 × 34,437.74
  4. Step 4: Simplify right side
    90,592.73x = 4,680,260,202.99
  5. Step 5: Solve for x
    x = 4,680,260,202.99/90,592.73
  6. Step 6: Final answer
    x = 51,662.65

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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.