Home / 130,609.92-180,229.08-73,251.60

Finding the Fourth Proportional to 130,609.92, 180,229.08 and 73,251.60

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Solution

The fourth proportional to 130,609.92, 180,229.08 and 73,251.60 is: 101,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,609.92 : 180,229.08 = 73,251.60 : x
  2. Step 2: Convert to fraction form
    130,609.92/180,229.08 = 73,251.60/x
  3. Step 3: Cross multiply
    130,609.92x = 180,229.08 × 73,251.60
  4. Step 4: Simplify right side
    130,609.92x = 13,202,068,476.53
  5. Step 5: Solve for x
    x = 13,202,068,476.53/130,609.92
  6. Step 6: Final answer
    x = 101,080.14

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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.