Home / 140,493.45-193,882.49-76,829.88

Finding the Fourth Proportional to 140,493.45, 193,882.49 and 76,829.88

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Solution

The fourth proportional to 140,493.45, 193,882.49 and 76,829.88 is: 106,026.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,493.45 : 193,882.49 = 76,829.88 : x
  2. Step 2: Convert to fraction form
    140,493.45/193,882.49 = 76,829.88/x
  3. Step 3: Cross multiply
    140,493.45x = 193,882.49 × 76,829.88
  4. Step 4: Simplify right side
    140,493.45x = 14,895,968,440.80
  5. Step 5: Solve for x
    x = 14,895,968,440.80/140,493.45
  6. Step 6: Final answer
    x = 106,026.07

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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.