Home / 90,280.52-135,346.90-34,088.75

Finding the Fourth Proportional to 90,280.52, 135,346.90 and 34,088.75

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Solution

The fourth proportional to 90,280.52, 135,346.90 and 34,088.75 is: 51,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,280.52 : 135,346.90 = 34,088.75 : x
  2. Step 2: Convert to fraction form
    90,280.52/135,346.90 = 34,088.75/x
  3. Step 3: Cross multiply
    90,280.52x = 135,346.90 × 34,088.75
  4. Step 4: Simplify right side
    90,280.52x = 4,613,806,446.89
  5. Step 5: Solve for x
    x = 4,613,806,446.89/90,280.52
  6. Step 6: Final answer
    x = 51,105.22

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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.