Home / 135,229.83-202,071.42-103,031.97

Finding the Fourth Proportional to 135,229.83, 202,071.42 and 103,031.97

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Solution

The fourth proportional to 135,229.83, 202,071.42 and 103,031.97 is: 153,958.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,229.83 : 202,071.42 = 103,031.97 : x
  2. Step 2: Convert to fraction form
    135,229.83/202,071.42 = 103,031.97/x
  3. Step 3: Cross multiply
    135,229.83x = 202,071.42 × 103,031.97
  4. Step 4: Simplify right side
    135,229.83x = 20,819,816,483.30
  5. Step 5: Solve for x
    x = 20,819,816,483.30/135,229.83
  6. Step 6: Final answer
    x = 153,958.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.