Home / 130,632.96-180,272.64-71,016.96

Finding the Fourth Proportional to 130,632.96, 180,272.64 and 71,016.96

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Solution

The fourth proportional to 130,632.96, 180,272.64 and 71,016.96 is: 98,002.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,632.96 : 180,272.64 = 71,016.96 : x
  2. Step 2: Convert to fraction form
    130,632.96/180,272.64 = 71,016.96/x
  3. Step 3: Cross multiply
    130,632.96x = 180,272.64 × 71,016.96
  4. Step 4: Simplify right side
    130,632.96x = 12,802,414,863.97
  5. Step 5: Solve for x
    x = 12,802,414,863.97/130,632.96
  6. Step 6: Final answer
    x = 98,002.95

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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.