Home / 130,951.13-180,712.58-71,335.13

Finding the Fourth Proportional to 130,951.13, 180,712.58 and 71,335.13

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Solution

The fourth proportional to 130,951.13, 180,712.58 and 71,335.13 is: 98,442.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,951.13 : 180,712.58 = 71,335.13 : x
  2. Step 2: Convert to fraction form
    130,951.13/180,712.58 = 71,335.13/x
  3. Step 3: Cross multiply
    130,951.13x = 180,712.58 × 71,335.13
  4. Step 4: Simplify right side
    130,951.13x = 12,891,154,126.70
  5. Step 5: Solve for x
    x = 12,891,154,126.70/130,951.13
  6. Step 6: Final answer
    x = 98,442.48

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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.