Home / 148,255.52-204,591.16-80,270.72

Finding the Fourth Proportional to 148,255.52, 204,591.16 and 80,270.72

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Solution

The fourth proportional to 148,255.52, 204,591.16 and 80,270.72 is: 110,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,255.52 : 204,591.16 = 80,270.72 : x
  2. Step 2: Convert to fraction form
    148,255.52/204,591.16 = 80,270.72/x
  3. Step 3: Cross multiply
    148,255.52x = 204,591.16 × 80,270.72
  4. Step 4: Simplify right side
    148,255.52x = 16,422,679,718.84
  5. Step 5: Solve for x
    x = 16,422,679,718.84/148,255.52
  6. Step 6: Final answer
    x = 110,772.80

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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.