Home / 109,306.03-163,959.08-84,382.46

Finding the Fourth Proportional to 109,306.03, 163,959.08 and 84,382.46

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Solution

The fourth proportional to 109,306.03, 163,959.08 and 84,382.46 is: 126,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,306.03 : 163,959.08 = 84,382.46 : x
  2. Step 2: Convert to fraction form
    109,306.03/163,959.08 = 84,382.46/x
  3. Step 3: Cross multiply
    109,306.03x = 163,959.08 × 84,382.46
  4. Step 4: Simplify right side
    109,306.03x = 13,835,270,497.72
  5. Step 5: Solve for x
    x = 13,835,270,497.72/109,306.03
  6. Step 6: Final answer
    x = 126,573.72

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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.