Home / 95,160.87-142,743.63-31,981.92

Finding the Fourth Proportional to 95,160.87, 142,743.63 and 31,981.92

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Solution

The fourth proportional to 95,160.87, 142,743.63 and 31,981.92 is: 47,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,160.87 : 142,743.63 = 31,981.92 : x
  2. Step 2: Convert to fraction form
    95,160.87/142,743.63 = 31,981.92/x
  3. Step 3: Cross multiply
    95,160.87x = 142,743.63 × 31,981.92
  4. Step 4: Simplify right side
    95,160.87x = 4,565,215,355.17
  5. Step 5: Solve for x
    x = 4,565,215,355.17/95,160.87
  6. Step 6: Final answer
    x = 47,973.66

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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.