Home / 127,988.10-191,982.15-44,871.30

Finding the Fourth Proportional to 127,988.10, 191,982.15 and 44,871.30

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Solution

The fourth proportional to 127,988.10, 191,982.15 and 44,871.30 is: 67,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,988.10 : 191,982.15 = 44,871.30 : x
  2. Step 2: Convert to fraction form
    127,988.10/191,982.15 = 44,871.30/x
  3. Step 3: Cross multiply
    127,988.10x = 191,982.15 × 44,871.30
  4. Step 4: Simplify right side
    127,988.10x = 8,614,488,647.30
  5. Step 5: Solve for x
    x = 8,614,488,647.30/127,988.10
  6. Step 6: Final answer
    x = 67,306.95

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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.