Home / 95,107.71-142,645.61-31,920.72

Finding the Fourth Proportional to 95,107.71, 142,645.61 and 31,920.72

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Solution

The fourth proportional to 95,107.71, 142,645.61 and 31,920.72 is: 47,875.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,107.71 : 142,645.61 = 31,920.72 : x
  2. Step 2: Convert to fraction form
    95,107.71/142,645.61 = 31,920.72/x
  3. Step 3: Cross multiply
    95,107.71x = 142,645.61 × 31,920.72
  4. Step 4: Simplify right side
    95,107.71x = 4,553,350,576.04
  5. Step 5: Solve for x
    x = 4,553,350,576.04/95,107.71
  6. Step 6: Final answer
    x = 47,875.73

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1.5x scale

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.