Home / 148,142.28-204,435.68-80,160.45

Finding the Fourth Proportional to 148,142.28, 204,435.68 and 80,160.45

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Solution

The fourth proportional to 148,142.28, 204,435.68 and 80,160.45 is: 110,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,142.28 : 204,435.68 = 80,160.45 : x
  2. Step 2: Convert to fraction form
    148,142.28/204,435.68 = 80,160.45/x
  3. Step 3: Cross multiply
    148,142.28x = 204,435.68 × 80,160.45
  4. Step 4: Simplify right side
    148,142.28x = 16,387,656,104.86
  5. Step 5: Solve for x
    x = 16,387,656,104.86/148,142.28
  6. Step 6: Final answer
    x = 110,621.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.