Home / 112,854.87-169,337.71-45,384.17

Finding the Fourth Proportional to 112,854.87, 169,337.71 and 45,384.17

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Solution

The fourth proportional to 112,854.87, 169,337.71 and 45,384.17 is: 68,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,854.87 : 169,337.71 = 45,384.17 : x
  2. Step 2: Convert to fraction form
    112,854.87/169,337.71 = 45,384.17/x
  3. Step 3: Cross multiply
    112,854.87x = 169,337.71 × 45,384.17
  4. Step 4: Simplify right side
    112,854.87x = 7,685,251,727.93
  5. Step 5: Solve for x
    x = 7,685,251,727.93/112,854.87
  6. Step 6: Final answer
    x = 68,098.54

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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.