Home / 135,613.52-203,420.24-52,507.52

Finding the Fourth Proportional to 135,613.52, 203,420.24 and 52,507.52

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Solution

The fourth proportional to 135,613.52, 203,420.24 and 52,507.52 is: 78,761.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,613.52 : 203,420.24 = 52,507.52 : x
  2. Step 2: Convert to fraction form
    135,613.52/203,420.24 = 52,507.52/x
  3. Step 3: Cross multiply
    135,613.52x = 203,420.24 × 52,507.52
  4. Step 4: Simplify right side
    135,613.52x = 10,681,092,320.20
  5. Step 5: Solve for x
    x = 10,681,092,320.20/135,613.52
  6. Step 6: Final answer
    x = 78,761.26

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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.