Home / 159,851.10-220,578.80-88,226.52

Finding the Fourth Proportional to 159,851.10, 220,578.80 and 88,226.52

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Solution

The fourth proportional to 159,851.10, 220,578.80 and 88,226.52 is: 121,743.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,851.10 : 220,578.80 = 88,226.52 : x
  2. Step 2: Convert to fraction form
    159,851.10/220,578.80 = 88,226.52/x
  3. Step 3: Cross multiply
    159,851.10x = 220,578.80 × 88,226.52
  4. Step 4: Simplify right side
    159,851.10x = 19,460,899,909.78
  5. Step 5: Solve for x
    x = 19,460,899,909.78/159,851.10
  6. Step 6: Final answer
    x = 121,743.92

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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.