Home / 88,031.04-132,045.02-81,174.26

Finding the Fourth Proportional to 88,031.04, 132,045.02 and 81,174.26

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Solution

The fourth proportional to 88,031.04, 132,045.02 and 81,174.26 is: 121,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,031.04 : 132,045.02 = 81,174.26 : x
  2. Step 2: Convert to fraction form
    88,031.04/132,045.02 = 81,174.26/x
  3. Step 3: Cross multiply
    88,031.04x = 132,045.02 × 81,174.26
  4. Step 4: Simplify right side
    88,031.04x = 10,718,656,785.19
  5. Step 5: Solve for x
    x = 10,718,656,785.19/88,031.04
  6. Step 6: Final answer
    x = 121,759.97

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1.5x scale

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.