Home / 87,547.23-131,196.56-67,480.88

Finding the Fourth Proportional to 87,547.23, 131,196.56 and 67,480.88

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Solution

The fourth proportional to 87,547.23, 131,196.56 and 67,480.88 is: 101,125.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,547.23 : 131,196.56 = 67,480.88 : x
  2. Step 2: Convert to fraction form
    87,547.23/131,196.56 = 67,480.88/x
  3. Step 3: Cross multiply
    87,547.23x = 131,196.56 × 67,480.88
  4. Step 4: Simplify right side
    87,547.23x = 8,853,258,328.39
  5. Step 5: Solve for x
    x = 8,853,258,328.39/87,547.23
  6. Step 6: Final answer
    x = 101,125.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.