Home / 142,156.20-213,337.18-55,614.82

Finding the Fourth Proportional to 142,156.20, 213,337.18 and 55,614.82

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Solution

The fourth proportional to 142,156.20, 213,337.18 and 55,614.82 is: 83,462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,156.20 : 213,337.18 = 55,614.82 : x
  2. Step 2: Convert to fraction form
    142,156.20/213,337.18 = 55,614.82/x
  3. Step 3: Cross multiply
    142,156.20x = 213,337.18 × 55,614.82
  4. Step 4: Simplify right side
    142,156.20x = 11,864,708,865.01
  5. Step 5: Solve for x
    x = 11,864,708,865.01/142,156.20
  6. Step 6: Final answer
    x = 83,462.48

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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.