Home / 125,221.55-187,832.23-30,451.10

Finding the Fourth Proportional to 125,221.55, 187,832.23 and 30,451.10

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Solution

The fourth proportional to 125,221.55, 187,832.23 and 30,451.10 is: 45,676.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,221.55 : 187,832.23 = 30,451.10 : x
  2. Step 2: Convert to fraction form
    125,221.55/187,832.23 = 30,451.10/x
  3. Step 3: Cross multiply
    125,221.55x = 187,832.23 × 30,451.10
  4. Step 4: Simplify right side
    125,221.55x = 5,719,697,003.66
  5. Step 5: Solve for x
    x = 5,719,697,003.66/125,221.55
  6. Step 6: Final answer
    x = 45,676.62

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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.