Home / 140,923.85-194,474.66-77,265.77

Finding the Fourth Proportional to 140,923.85, 194,474.66 and 77,265.77

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Solution

The fourth proportional to 140,923.85, 194,474.66 and 77,265.77 is: 106,626.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,923.85 : 194,474.66 = 77,265.77 : x
  2. Step 2: Convert to fraction form
    140,923.85/194,474.66 = 77,265.77/x
  3. Step 3: Cross multiply
    140,923.85x = 194,474.66 × 77,265.77
  4. Step 4: Simplify right side
    140,923.85x = 15,026,232,991.69
  5. Step 5: Solve for x
    x = 15,026,232,991.69/140,923.85
  6. Step 6: Final answer
    x = 106,626.62

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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.