Home / 137,852.16-206,766.72-54,723.84

Finding the Fourth Proportional to 137,852.16, 206,766.72 and 54,723.84

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Solution

The fourth proportional to 137,852.16, 206,766.72 and 54,723.84 is: 82,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,852.16 : 206,766.72 = 54,723.84 : x
  2. Step 2: Convert to fraction form
    137,852.16/206,766.72 = 54,723.84/x
  3. Step 3: Cross multiply
    137,852.16x = 206,766.72 × 54,723.84
  4. Step 4: Simplify right side
    137,852.16x = 11,315,068,902.60
  5. Step 5: Solve for x
    x = 11,315,068,902.60/137,852.16
  6. Step 6: Final answer
    x = 82,081.19

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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.