Home / 148,155.48-204,453-80,170.92

Finding the Fourth Proportional to 148,155.48, 204,453 and 80,170.92

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Solution

The fourth proportional to 148,155.48, 204,453 and 80,170.92 is: 110,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,155.48 : 204,453 = 80,170.92 : x
  2. Step 2: Convert to fraction form
    148,155.48/204,453 = 80,170.92/x
  3. Step 3: Cross multiply
    148,155.48x = 204,453 × 80,170.92
  4. Step 4: Simplify right side
    148,155.48x = 16,391,185,106.76
  5. Step 5: Solve for x
    x = 16,391,185,106.76/148,155.48
  6. Step 6: Final answer
    x = 110,635.02

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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.