Home / 159,775.12-220,490.38-88,155.10

Finding the Fourth Proportional to 159,775.12, 220,490.38 and 88,155.10

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Solution

The fourth proportional to 159,775.12, 220,490.38 and 88,155.10 is: 121,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,775.12 : 220,490.38 = 88,155.10 : x
  2. Step 2: Convert to fraction form
    159,775.12/220,490.38 = 88,155.10/x
  3. Step 3: Cross multiply
    159,775.12x = 220,490.38 × 88,155.10
  4. Step 4: Simplify right side
    159,775.12x = 19,437,351,497.94
  5. Step 5: Solve for x
    x = 19,437,351,497.94/159,775.12
  6. Step 6: Final answer
    x = 121,654.43

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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.