Home / 130,671.24-180,249.36-82,195.92

Finding the Fourth Proportional to 130,671.24, 180,249.36 and 82,195.92

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Solution

The fourth proportional to 130,671.24, 180,249.36 and 82,195.92 is: 113,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,671.24 : 180,249.36 = 82,195.92 : x
  2. Step 2: Convert to fraction form
    130,671.24/180,249.36 = 82,195.92/x
  3. Step 3: Cross multiply
    130,671.24x = 180,249.36 × 82,195.92
  4. Step 4: Simplify right side
    130,671.24x = 14,815,761,974.61
  5. Step 5: Solve for x
    x = 14,815,761,974.61/130,671.24
  6. Step 6: Final answer
    x = 113,381.97

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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.