Home / 173,731.20-260,395.20-80,246.40

Finding the Fourth Proportional to 173,731.20, 260,395.20 and 80,246.40

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Solution

The fourth proportional to 173,731.20, 260,395.20 and 80,246.40 is: 120,276.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,731.20 : 260,395.20 = 80,246.40 : x
  2. Step 2: Convert to fraction form
    173,731.20/260,395.20 = 80,246.40/x
  3. Step 3: Cross multiply
    173,731.20x = 260,395.20 × 80,246.40
  4. Step 4: Simplify right side
    173,731.20x = 20,895,777,377.28
  5. Step 5: Solve for x
    x = 20,895,777,377.28/173,731.20
  6. Step 6: Final answer
    x = 120,276.48

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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.