Home / 148,005.12-204,244.02-80,937.12

Finding the Fourth Proportional to 148,005.12, 204,244.02 and 80,937.12

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Solution

The fourth proportional to 148,005.12, 204,244.02 and 80,937.12 is: 111,691.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,005.12 : 204,244.02 = 80,937.12 : x
  2. Step 2: Convert to fraction form
    148,005.12/204,244.02 = 80,937.12/x
  3. Step 3: Cross multiply
    148,005.12x = 204,244.02 × 80,937.12
  4. Step 4: Simplify right side
    148,005.12x = 16,530,922,756.02
  5. Step 5: Solve for x
    x = 16,530,922,756.02/148,005.12
  6. Step 6: Final answer
    x = 111,691.56

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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.