Home / 254,828.47-382,003.97-86,230.76

Finding the Fourth Proportional to 254,828.47, 382,003.97 and 86,230.76

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Solution

The fourth proportional to 254,828.47, 382,003.97 and 86,230.76 is: 129,265.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,828.47 : 382,003.97 = 86,230.76 : x
  2. Step 2: Convert to fraction form
    254,828.47/382,003.97 = 86,230.76/x
  3. Step 3: Cross multiply
    254,828.47x = 382,003.97 × 86,230.76
  4. Step 4: Simplify right side
    254,828.47x = 32,940,493,594.18
  5. Step 5: Solve for x
    x = 32,940,493,594.18/254,828.47
  6. Step 6: Final answer
    x = 129,265.36

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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.