Home / 140,895.26-194,436.31-77,232.86

Finding the Fourth Proportional to 140,895.26, 194,436.31 and 77,232.86

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Solution

The fourth proportional to 140,895.26, 194,436.31 and 77,232.86 is: 106,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,895.26 : 194,436.31 = 77,232.86 : x
  2. Step 2: Convert to fraction form
    140,895.26/194,436.31 = 77,232.86/x
  3. Step 3: Cross multiply
    140,895.26x = 194,436.31 × 77,232.86
  4. Step 4: Simplify right side
    140,895.26x = 15,016,872,309.15
  5. Step 5: Solve for x
    x = 15,016,872,309.15/140,895.26
  6. Step 6: Final answer
    x = 106,581.81

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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.