Home / 157,898.14-236,422.78-120,279

Finding the Fourth Proportional to 157,898.14, 236,422.78 and 120,279

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Solution

The fourth proportional to 157,898.14, 236,422.78 and 120,279 is: 180,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,898.14 : 236,422.78 = 120,279 : x
  2. Step 2: Convert to fraction form
    157,898.14/236,422.78 = 120,279/x
  3. Step 3: Cross multiply
    157,898.14x = 236,422.78 × 120,279
  4. Step 4: Simplify right side
    157,898.14x = 28,436,695,555.62
  5. Step 5: Solve for x
    x = 28,436,695,555.62/157,898.14
  6. Step 6: Final answer
    x = 180,095.19

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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.