Home / 95,158.23-142,749.65-31,951.20

Finding the Fourth Proportional to 95,158.23, 142,749.65 and 31,951.20

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Solution

The fourth proportional to 95,158.23, 142,749.65 and 31,951.20 is: 47,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,158.23 : 142,749.65 = 31,951.20 : x
  2. Step 2: Convert to fraction form
    95,158.23/142,749.65 = 31,951.20/x
  3. Step 3: Cross multiply
    95,158.23x = 142,749.65 × 31,951.20
  4. Step 4: Simplify right side
    95,158.23x = 4,561,022,457.32
  5. Step 5: Solve for x
    x = 4,561,022,457.32/95,158.23
  6. Step 6: Final answer
    x = 47,930.93

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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.