Home / 140,608.13-194,041.04-76,944.56

Finding the Fourth Proportional to 140,608.13, 194,041.04 and 76,944.56

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Solution

The fourth proportional to 140,608.13, 194,041.04 and 76,944.56 is: 106,184.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,608.13 : 194,041.04 = 76,944.56 : x
  2. Step 2: Convert to fraction form
    140,608.13/194,041.04 = 76,944.56/x
  3. Step 3: Cross multiply
    140,608.13x = 194,041.04 × 76,944.56
  4. Step 4: Simplify right side
    140,608.13x = 14,930,401,089.81
  5. Step 5: Solve for x
    x = 14,930,401,089.81/140,608.13
  6. Step 6: Final answer
    x = 106,184.48

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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.