Home / 148,178.60-204,486.94-80,195.56

Finding the Fourth Proportional to 148,178.60, 204,486.94 and 80,195.56

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Solution

The fourth proportional to 148,178.60, 204,486.94 and 80,195.56 is: 110,670.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,178.60 : 204,486.94 = 80,195.56 : x
  2. Step 2: Convert to fraction form
    148,178.60/204,486.94 = 80,195.56/x
  3. Step 3: Cross multiply
    148,178.60x = 204,486.94 × 80,195.56
  4. Step 4: Simplify right side
    148,178.60x = 16,398,944,665.99
  5. Step 5: Solve for x
    x = 16,398,944,665.99/148,178.60
  6. Step 6: Final answer
    x = 110,670.13

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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.