Home / 255,057.12-382,637.52-88,961.76

Finding the Fourth Proportional to 255,057.12, 382,637.52 and 88,961.76

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Solution

The fourth proportional to 255,057.12, 382,637.52 and 88,961.76 is: 133,460.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,057.12 : 382,637.52 = 88,961.76 : x
  2. Step 2: Convert to fraction form
    255,057.12/382,637.52 = 88,961.76/x
  3. Step 3: Cross multiply
    255,057.12x = 382,637.52 × 88,961.76
  4. Step 4: Simplify right side
    255,057.12x = 34,040,107,221.24
  5. Step 5: Solve for x
    x = 34,040,107,221.24/255,057.12
  6. Step 6: Final answer
    x = 133,460.72

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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.