Home / 166,418.32-229,657.27-90,966.82

Finding the Fourth Proportional to 166,418.32, 229,657.27 and 90,966.82

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Solution

The fourth proportional to 166,418.32, 229,657.27 and 90,966.82 is: 125,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,418.32 : 229,657.27 = 90,966.82 : x
  2. Step 2: Convert to fraction form
    166,418.32/229,657.27 = 90,966.82/x
  3. Step 3: Cross multiply
    166,418.32x = 229,657.27 × 90,966.82
  4. Step 4: Simplify right side
    166,418.32x = 20,891,190,393.50
  5. Step 5: Solve for x
    x = 20,891,190,393.50/166,418.32
  6. Step 6: Final answer
    x = 125,534.20

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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.