Home / 92,215.60-138,323.40-82,301.20

Finding the Fourth Proportional to 92,215.60, 138,323.40 and 82,301.20

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Solution

The fourth proportional to 92,215.60, 138,323.40 and 82,301.20 is: 123,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,215.60 : 138,323.40 = 82,301.20 : x
  2. Step 2: Convert to fraction form
    92,215.60/138,323.40 = 82,301.20/x
  3. Step 3: Cross multiply
    92,215.60x = 138,323.40 × 82,301.20
  4. Step 4: Simplify right side
    92,215.60x = 11,384,181,808.08
  5. Step 5: Solve for x
    x = 11,384,181,808.08/92,215.60
  6. Step 6: Final answer
    x = 123,451.80

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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.