Home / 148,184.40-204,534-91,563.78

Finding the Fourth Proportional to 148,184.40, 204,534 and 91,563.78

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Solution

The fourth proportional to 148,184.40, 204,534 and 91,563.78 is: 126,382.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,184.40 : 204,534 = 91,563.78 : x
  2. Step 2: Convert to fraction form
    148,184.40/204,534 = 91,563.78/x
  3. Step 3: Cross multiply
    148,184.40x = 204,534 × 91,563.78
  4. Step 4: Simplify right side
    148,184.40x = 18,727,906,178.52
  5. Step 5: Solve for x
    x = 18,727,906,178.52/148,184.40
  6. Step 6: Final answer
    x = 126,382.44

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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.