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Finding the Fourth Proportional to 159,651.54, 220,329.03 and 88,031.34

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Solution

The fourth proportional to 159,651.54, 220,329.03 and 88,031.34 is: 121,488.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,651.54 : 220,329.03 = 88,031.34 : x
  2. Step 2: Convert to fraction form
    159,651.54/220,329.03 = 88,031.34/x
  3. Step 3: Cross multiply
    159,651.54x = 220,329.03 × 88,031.34
  4. Step 4: Simplify right side
    159,651.54x = 19,395,859,751.80
  5. Step 5: Solve for x
    x = 19,395,859,751.80/159,651.54
  6. Step 6: Final answer
    x = 121,488.71

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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.