Home / 140,272.91-193,573.62-76,610.96

Finding the Fourth Proportional to 140,272.91, 193,573.62 and 76,610.96

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Solution

The fourth proportional to 140,272.91, 193,573.62 and 76,610.96 is: 105,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,272.91 : 193,573.62 = 76,610.96 : x
  2. Step 2: Convert to fraction form
    140,272.91/193,573.62 = 76,610.96/x
  3. Step 3: Cross multiply
    140,272.91x = 193,573.62 × 76,610.96
  4. Step 4: Simplify right side
    140,272.91x = 14,829,859,891.01
  5. Step 5: Solve for x
    x = 14,829,859,891.01/140,272.91
  6. Step 6: Final answer
    x = 105,721.49

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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.