Home / 126,889.30-174,929.52-88,594.12

Finding the Fourth Proportional to 126,889.30, 174,929.52 and 88,594.12

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Solution

The fourth proportional to 126,889.30, 174,929.52 and 88,594.12 is: 122,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,889.30 : 174,929.52 = 88,594.12 : x
  2. Step 2: Convert to fraction form
    126,889.30/174,929.52 = 88,594.12/x
  3. Step 3: Cross multiply
    126,889.30x = 174,929.52 × 88,594.12
  4. Step 4: Simplify right side
    126,889.30x = 15,497,726,886.42
  5. Step 5: Solve for x
    x = 15,497,726,886.42/126,889.30
  6. Step 6: Final answer
    x = 122,135.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.