Home / 83,611.44-125,992.46-69,145.65

Finding the Fourth Proportional to 83,611.44, 125,992.46 and 69,145.65

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Solution

The fourth proportional to 83,611.44, 125,992.46 and 69,145.65 is: 104,194.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,611.44 : 125,992.46 = 69,145.65 : x
  2. Step 2: Convert to fraction form
    83,611.44/125,992.46 = 69,145.65/x
  3. Step 3: Cross multiply
    83,611.44x = 125,992.46 × 69,145.65
  4. Step 4: Simplify right side
    83,611.44x = 8,711,830,714.66
  5. Step 5: Solve for x
    x = 8,711,830,714.66/83,611.44
  6. Step 6: Final answer
    x = 104,194.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.