Home / 95,323.50-142,981.66-28,761.86

Finding the Fourth Proportional to 95,323.50, 142,981.66 and 28,761.86

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Solution

The fourth proportional to 95,323.50, 142,981.66 and 28,761.86 is: 43,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,323.50 : 142,981.66 = 28,761.86 : x
  2. Step 2: Convert to fraction form
    95,323.50/142,981.66 = 28,761.86/x
  3. Step 3: Cross multiply
    95,323.50x = 142,981.66 × 28,761.86
  4. Step 4: Simplify right side
    95,323.50x = 4,112,417,808.53
  5. Step 5: Solve for x
    x = 4,112,417,808.53/95,323.50
  6. Step 6: Final answer
    x = 43,141.70

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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.