Home / 140,744.67-194,220.42-77,081.10

Finding the Fourth Proportional to 140,744.67, 194,220.42 and 77,081.10

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Solution

The fourth proportional to 140,744.67, 194,220.42 and 77,081.10 is: 106,367.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,744.67 : 194,220.42 = 77,081.10 : x
  2. Step 2: Convert to fraction form
    140,744.67/194,220.42 = 77,081.10/x
  3. Step 3: Cross multiply
    140,744.67x = 194,220.42 × 77,081.10
  4. Step 4: Simplify right side
    140,744.67x = 14,970,723,616.06
  5. Step 5: Solve for x
    x = 14,970,723,616.06/140,744.67
  6. Step 6: Final answer
    x = 106,367.96

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1.5x scale

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.