Home / 159,002.25-219,422.35-91,018.88

Finding the Fourth Proportional to 159,002.25, 219,422.35 and 91,018.88

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Solution

The fourth proportional to 159,002.25, 219,422.35 and 91,018.88 is: 125,605.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,002.25 : 219,422.35 = 91,018.88 : x
  2. Step 2: Convert to fraction form
    159,002.25/219,422.35 = 91,018.88/x
  3. Step 3: Cross multiply
    159,002.25x = 219,422.35 × 91,018.88
  4. Step 4: Simplify right side
    159,002.25x = 19,971,576,543.97
  5. Step 5: Solve for x
    x = 19,971,576,543.97/159,002.25
  6. Step 6: Final answer
    x = 125,605.62

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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.