Home / 154,427.20-231,651.60-60,920.80

Finding the Fourth Proportional to 154,427.20, 231,651.60 and 60,920.80

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Solution

The fourth proportional to 154,427.20, 231,651.60 and 60,920.80 is: 91,385.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,427.20 : 231,651.60 = 60,920.80 : x
  2. Step 2: Convert to fraction form
    154,427.20/231,651.60 = 60,920.80/x
  3. Step 3: Cross multiply
    154,427.20x = 231,651.60 × 60,920.80
  4. Step 4: Simplify right side
    154,427.20x = 14,112,400,793.28
  5. Step 5: Solve for x
    x = 14,112,400,793.28/154,427.20
  6. Step 6: Final answer
    x = 91,385.46

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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.