Home / 185,250.80-278,135.40-115,266.80

Finding the Fourth Proportional to 185,250.80, 278,135.40 and 115,266.80

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Solution

The fourth proportional to 185,250.80, 278,135.40 and 115,266.80 is: 173,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,250.80 : 278,135.40 = 115,266.80 : x
  2. Step 2: Convert to fraction form
    185,250.80/278,135.40 = 115,266.80/x
  3. Step 3: Cross multiply
    185,250.80x = 278,135.40 × 115,266.80
  4. Step 4: Simplify right side
    185,250.80x = 32,059,777,524.72
  5. Step 5: Solve for x
    x = 32,059,777,524.72/185,250.80
  6. Step 6: Final answer
    x = 173,061.48

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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.