Home / 92,219.60-138,329.40-82,305.20

Finding the Fourth Proportional to 92,219.60, 138,329.40 and 82,305.20

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Solution

The fourth proportional to 92,219.60, 138,329.40 and 82,305.20 is: 123,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,219.60 : 138,329.40 = 82,305.20 : x
  2. Step 2: Convert to fraction form
    92,219.60/138,329.40 = 82,305.20/x
  3. Step 3: Cross multiply
    92,219.60x = 138,329.40 × 82,305.20
  4. Step 4: Simplify right side
    92,219.60x = 11,385,228,932.88
  5. Step 5: Solve for x
    x = 11,385,228,932.88/92,219.60
  6. Step 6: Final answer
    x = 123,457.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.