Home / 159,119.28-219,584.30-91,158.26

Finding the Fourth Proportional to 159,119.28, 219,584.30 and 91,158.26

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Solution

The fourth proportional to 159,119.28, 219,584.30 and 91,158.26 is: 125,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,119.28 : 219,584.30 = 91,158.26 : x
  2. Step 2: Convert to fraction form
    159,119.28/219,584.30 = 91,158.26/x
  3. Step 3: Cross multiply
    159,119.28x = 219,584.30 × 91,158.26
  4. Step 4: Simplify right side
    159,119.28x = 20,016,921,157.61
  5. Step 5: Solve for x
    x = 20,016,921,157.61/159,119.28
  6. Step 6: Final answer
    x = 125,798.21

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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.