Home / 95,151.72-142,743.96-31,977.88

Finding the Fourth Proportional to 95,151.72, 142,743.96 and 31,977.88

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Solution

The fourth proportional to 95,151.72, 142,743.96 and 31,977.88 is: 47,972.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,151.72 : 142,743.96 = 31,977.88 : x
  2. Step 2: Convert to fraction form
    95,151.72/142,743.96 = 31,977.88/x
  3. Step 3: Cross multiply
    95,151.72x = 142,743.96 × 31,977.88
  4. Step 4: Simplify right side
    95,151.72x = 4,564,649,223.60
  5. Step 5: Solve for x
    x = 4,564,649,223.60/95,151.72
  6. Step 6: Final answer
    x = 47,972.32

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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.