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Finding the Fourth Proportional to 159,760.17, 220,458.13 and 88,141.39

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Solution

The fourth proportional to 159,760.17, 220,458.13 and 88,141.39 is: 121,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,760.17 : 220,458.13 = 88,141.39 : x
  2. Step 2: Convert to fraction form
    159,760.17/220,458.13 = 88,141.39/x
  3. Step 3: Cross multiply
    159,760.17x = 220,458.13 × 88,141.39
  4. Step 4: Simplify right side
    159,760.17x = 19,431,486,015.00
  5. Step 5: Solve for x
    x = 19,431,486,015.00/159,760.17
  6. Step 6: Final answer
    x = 121,629.10

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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.