Home / 163,304.12-225,342.30-91,691.96

Finding the Fourth Proportional to 163,304.12, 225,342.30 and 91,691.96

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Solution

The fourth proportional to 163,304.12, 225,342.30 and 91,691.96 is: 126,525.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,304.12 : 225,342.30 = 91,691.96 : x
  2. Step 2: Convert to fraction form
    163,304.12/225,342.30 = 91,691.96/x
  3. Step 3: Cross multiply
    163,304.12x = 225,342.30 × 91,691.96
  4. Step 4: Simplify right side
    163,304.12x = 20,662,077,157.91
  5. Step 5: Solve for x
    x = 20,662,077,157.91/163,304.12
  6. Step 6: Final answer
    x = 126,525.14

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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.