Home / 177,612.60-266,451.30-72,442.20

Finding the Fourth Proportional to 177,612.60, 266,451.30 and 72,442.20

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Solution

The fourth proportional to 177,612.60, 266,451.30 and 72,442.20 is: 108,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,612.60 : 266,451.30 = 72,442.20 : x
  2. Step 2: Convert to fraction form
    177,612.60/266,451.30 = 72,442.20/x
  3. Step 3: Cross multiply
    177,612.60x = 266,451.30 × 72,442.20
  4. Step 4: Simplify right side
    177,612.60x = 19,302,318,364.86
  5. Step 5: Solve for x
    x = 19,302,318,364.86/177,612.60
  6. Step 6: Final answer
    x = 108,676.51

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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.