Home / 140,849.82-194,373.32-76,319.19

Finding the Fourth Proportional to 140,849.82, 194,373.32 and 76,319.19

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Solution

The fourth proportional to 140,849.82, 194,373.32 and 76,319.19 is: 105,320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,849.82 : 194,373.32 = 76,319.19 : x
  2. Step 2: Convert to fraction form
    140,849.82/194,373.32 = 76,319.19/x
  3. Step 3: Cross multiply
    140,849.82x = 194,373.32 × 76,319.19
  4. Step 4: Simplify right side
    140,849.82x = 14,834,413,958.41
  5. Step 5: Solve for x
    x = 14,834,413,958.41/140,849.82
  6. Step 6: Final answer
    x = 105,320.79

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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.