Home / 136,287.56-204,433.17-42,793.31

Finding the Fourth Proportional to 136,287.56, 204,433.17 and 42,793.31

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Solution

The fourth proportional to 136,287.56, 204,433.17 and 42,793.31 is: 64,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,287.56 : 204,433.17 = 42,793.31 : x
  2. Step 2: Convert to fraction form
    136,287.56/204,433.17 = 42,793.31/x
  3. Step 3: Cross multiply
    136,287.56x = 204,433.17 × 42,793.31
  4. Step 4: Simplify right side
    136,287.56x = 8,748,372,368.70
  5. Step 5: Solve for x
    x = 8,748,372,368.70/136,287.56
  6. Step 6: Final answer
    x = 64,190.54

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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.