Home / 140,044.96-193,263.60-76,382.56

Finding the Fourth Proportional to 140,044.96, 193,263.60 and 76,382.56

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Solution

The fourth proportional to 140,044.96, 193,263.60 and 76,382.56 is: 105,408.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,044.96 : 193,263.60 = 76,382.56 : x
  2. Step 2: Convert to fraction form
    140,044.96/193,263.60 = 76,382.56/x
  3. Step 3: Cross multiply
    140,044.96x = 193,263.60 × 76,382.56
  4. Step 4: Simplify right side
    140,044.96x = 14,761,968,522.82
  5. Step 5: Solve for x
    x = 14,761,968,522.82/140,044.96
  6. Step 6: Final answer
    x = 105,408.78

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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.