Home / 159,577.29-220,154.88-91,569.69

Finding the Fourth Proportional to 159,577.29, 220,154.88 and 91,569.69

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Solution

The fourth proportional to 159,577.29, 220,154.88 and 91,569.69 is: 126,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,577.29 : 220,154.88 = 91,569.69 : x
  2. Step 2: Convert to fraction form
    159,577.29/220,154.88 = 91,569.69/x
  3. Step 3: Cross multiply
    159,577.29x = 220,154.88 × 91,569.69
  4. Step 4: Simplify right side
    159,577.29x = 20,159,514,113.59
  5. Step 5: Solve for x
    x = 20,159,514,113.59/159,577.29
  6. Step 6: Final answer
    x = 126,330.72

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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.