Home / 80,266.57-120,295.19-44,726.40

Finding the Fourth Proportional to 80,266.57, 120,295.19 and 44,726.40

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Solution

The fourth proportional to 80,266.57, 120,295.19 and 44,726.40 is: 67,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,266.57 : 120,295.19 = 44,726.40 : x
  2. Step 2: Convert to fraction form
    80,266.57/120,295.19 = 44,726.40/x
  3. Step 3: Cross multiply
    80,266.57x = 120,295.19 × 44,726.40
  4. Step 4: Simplify right side
    80,266.57x = 5,380,370,897.83
  5. Step 5: Solve for x
    x = 5,380,370,897.83/80,266.57
  6. Step 6: Final answer
    x = 67,031.28

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1.5x scale

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.