Home / 205,519.32-308,294.10-87,177.24

Finding the Fourth Proportional to 205,519.32, 308,294.10 and 87,177.24

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Solution

The fourth proportional to 205,519.32, 308,294.10 and 87,177.24 is: 130,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,519.32 : 308,294.10 = 87,177.24 : x
  2. Step 2: Convert to fraction form
    205,519.32/308,294.10 = 87,177.24/x
  3. Step 3: Cross multiply
    205,519.32x = 308,294.10 × 87,177.24
  4. Step 4: Simplify right side
    205,519.32x = 26,876,228,746.28
  5. Step 5: Solve for x
    x = 26,876,228,746.28/205,519.32
  6. Step 6: Final answer
    x = 130,772.27

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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.