Home / 157,738.43-236,230.45-90,976.16

Finding the Fourth Proportional to 157,738.43, 236,230.45 and 90,976.16

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Solution

The fourth proportional to 157,738.43, 236,230.45 and 90,976.16 is: 136,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,738.43 : 236,230.45 = 90,976.16 : x
  2. Step 2: Convert to fraction form
    157,738.43/236,230.45 = 90,976.16/x
  3. Step 3: Cross multiply
    157,738.43x = 236,230.45 × 90,976.16
  4. Step 4: Simplify right side
    157,738.43x = 21,491,338,250.41
  5. Step 5: Solve for x
    x = 21,491,338,250.41/157,738.43
  6. Step 6: Final answer
    x = 136,246.68

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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.