Home / 254,668.18-381,764.82-86,070.61

Finding the Fourth Proportional to 254,668.18, 381,764.82 and 86,070.61

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Solution

The fourth proportional to 254,668.18, 381,764.82 and 86,070.61 is: 129,025.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,668.18 : 381,764.82 = 86,070.61 : x
  2. Step 2: Convert to fraction form
    254,668.18/381,764.82 = 86,070.61/x
  3. Step 3: Cross multiply
    254,668.18x = 381,764.82 × 86,070.61
  4. Step 4: Simplify right side
    254,668.18x = 32,858,730,933.94
  5. Step 5: Solve for x
    x = 32,858,730,933.94/254,668.18
  6. Step 6: Final answer
    x = 129,025.66

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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.