Home / 84,211.16-126,207.04-34,232.88

Finding the Fourth Proportional to 84,211.16, 126,207.04 and 34,232.88

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Solution

The fourth proportional to 84,211.16, 126,207.04 and 34,232.88 is: 51,304.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,211.16 : 126,207.04 = 34,232.88 : x
  2. Step 2: Convert to fraction form
    84,211.16/126,207.04 = 34,232.88/x
  3. Step 3: Cross multiply
    84,211.16x = 126,207.04 × 34,232.88
  4. Step 4: Simplify right side
    84,211.16x = 4,320,429,653.28
  5. Step 5: Solve for x
    x = 4,320,429,653.28/84,211.16
  6. Step 6: Final answer
    x = 51,304.72

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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.