Home / 149,437.88-206,222.93-81,454.85

Finding the Fourth Proportional to 149,437.88, 206,222.93 and 81,454.85

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Solution

The fourth proportional to 149,437.88, 206,222.93 and 81,454.85 is: 112,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,437.88 : 206,222.93 = 81,454.85 : x
  2. Step 2: Convert to fraction form
    149,437.88/206,222.93 = 81,454.85/x
  3. Step 3: Cross multiply
    149,437.88x = 206,222.93 × 81,454.85
  4. Step 4: Simplify right side
    149,437.88x = 16,797,857,470.11
  5. Step 5: Solve for x
    x = 16,797,857,470.11/149,437.88
  6. Step 6: Final answer
    x = 112,406.96

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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.