Home / 159,635.34-220,279.91-88,011.09

Finding the Fourth Proportional to 159,635.34, 220,279.91 and 88,011.09

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Solution

The fourth proportional to 159,635.34, 220,279.91 and 88,011.09 is: 121,446.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,635.34 : 220,279.91 = 88,011.09 : x
  2. Step 2: Convert to fraction form
    159,635.34/220,279.91 = 88,011.09/x
  3. Step 3: Cross multiply
    159,635.34x = 220,279.91 × 88,011.09
  4. Step 4: Simplify right side
    159,635.34x = 19,387,074,544.15
  5. Step 5: Solve for x
    x = 19,387,074,544.15/159,635.34
  6. Step 6: Final answer
    x = 121,446.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.