Home / 130,524.44-180,112.73-72,382.85

Finding the Fourth Proportional to 130,524.44, 180,112.73 and 72,382.85

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Solution

The fourth proportional to 130,524.44, 180,112.73 and 72,382.85 is: 99,882.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,524.44 : 180,112.73 = 72,382.85 : x
  2. Step 2: Convert to fraction form
    130,524.44/180,112.73 = 72,382.85/x
  3. Step 3: Cross multiply
    130,524.44x = 180,112.73 × 72,382.85
  4. Step 4: Simplify right side
    130,524.44x = 13,037,071,456.20
  5. Step 5: Solve for x
    x = 13,037,071,456.20/130,524.44
  6. Step 6: Final answer
    x = 99,882.22

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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.