Home / 142,046.18-213,013.92-53,251.25

Finding the Fourth Proportional to 142,046.18, 213,013.92 and 53,251.25

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Solution

The fourth proportional to 142,046.18, 213,013.92 and 53,251.25 is: 79,856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,046.18 : 213,013.92 = 53,251.25 : x
  2. Step 2: Convert to fraction form
    142,046.18/213,013.92 = 53,251.25/x
  3. Step 3: Cross multiply
    142,046.18x = 213,013.92 × 53,251.25
  4. Step 4: Simplify right side
    142,046.18x = 11,343,257,507.40
  5. Step 5: Solve for x
    x = 11,343,257,507.40/142,046.18
  6. Step 6: Final answer
    x = 79,856.13

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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.