Home / 106,279.22-159,414.22-39,719.93

Finding the Fourth Proportional to 106,279.22, 159,414.22 and 39,719.93

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Solution

The fourth proportional to 106,279.22, 159,414.22 and 39,719.93 is: 59,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,279.22 : 159,414.22 = 39,719.93 : x
  2. Step 2: Convert to fraction form
    106,279.22/159,414.22 = 39,719.93/x
  3. Step 3: Cross multiply
    106,279.22x = 159,414.22 × 39,719.93
  4. Step 4: Simplify right side
    106,279.22x = 6,331,921,758.70
  5. Step 5: Solve for x
    x = 6,331,921,758.70/106,279.22
  6. Step 6: Final answer
    x = 59,578.17

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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.