Home / 148,338.90-204,708.06-80,356.14

Finding the Fourth Proportional to 148,338.90, 204,708.06 and 80,356.14

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Solution

The fourth proportional to 148,338.90, 204,708.06 and 80,356.14 is: 110,891.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,338.90 : 204,708.06 = 80,356.14 : x
  2. Step 2: Convert to fraction form
    148,338.90/204,708.06 = 80,356.14/x
  3. Step 3: Cross multiply
    148,338.90x = 204,708.06 × 80,356.14
  4. Step 4: Simplify right side
    148,338.90x = 16,449,549,528.49
  5. Step 5: Solve for x
    x = 16,449,549,528.49/148,338.90
  6. Step 6: Final answer
    x = 110,891.68

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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.