Home / 149,218.85-223,806.20-54,426.84

Finding the Fourth Proportional to 149,218.85, 223,806.20 and 54,426.84

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Solution

The fourth proportional to 149,218.85, 223,806.20 and 54,426.84 is: 81,632.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,218.85 : 223,806.20 = 54,426.84 : x
  2. Step 2: Convert to fraction form
    149,218.85/223,806.20 = 54,426.84/x
  3. Step 3: Cross multiply
    149,218.85x = 223,806.20 × 54,426.84
  4. Step 4: Simplify right side
    149,218.85x = 12,181,063,966.27
  5. Step 5: Solve for x
    x = 12,181,063,966.27/149,218.85
  6. Step 6: Final answer
    x = 81,632.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.