Home / 112,572.45-168,691.57-62,583.78

Finding the Fourth Proportional to 112,572.45, 168,691.57 and 62,583.78

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Solution

The fourth proportional to 112,572.45, 168,691.57 and 62,583.78 is: 93,782.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,572.45 : 168,691.57 = 62,583.78 : x
  2. Step 2: Convert to fraction form
    112,572.45/168,691.57 = 62,583.78/x
  3. Step 3: Cross multiply
    112,572.45x = 168,691.57 × 62,583.78
  4. Step 4: Simplify right side
    112,572.45x = 10,557,356,104.73
  5. Step 5: Solve for x
    x = 10,557,356,104.73/112,572.45
  6. Step 6: Final answer
    x = 93,782.77

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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.