Home / 254,545.32-381,818.90-86,067.04

Finding the Fourth Proportional to 254,545.32, 381,818.90 and 86,067.04

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Solution

The fourth proportional to 254,545.32, 381,818.90 and 86,067.04 is: 129,100.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,545.32 : 381,818.90 = 86,067.04 : x
  2. Step 2: Convert to fraction form
    254,545.32/381,818.90 = 86,067.04/x
  3. Step 3: Cross multiply
    254,545.32x = 381,818.90 × 86,067.04
  4. Step 4: Simplify right side
    254,545.32x = 32,862,022,539.06
  5. Step 5: Solve for x
    x = 32,862,022,539.06/254,545.32
  6. Step 6: Final answer
    x = 129,100.87

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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.