Home / 140,976.96-194,548.44-77,315.16

Finding the Fourth Proportional to 140,976.96, 194,548.44 and 77,315.16

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Solution

The fourth proportional to 140,976.96, 194,548.44 and 77,315.16 is: 106,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,976.96 : 194,548.44 = 77,315.16 : x
  2. Step 2: Convert to fraction form
    140,976.96/194,548.44 = 77,315.16/x
  3. Step 3: Cross multiply
    140,976.96x = 194,548.44 × 77,315.16
  4. Step 4: Simplify right side
    140,976.96x = 15,041,543,766.35
  5. Step 5: Solve for x
    x = 15,041,543,766.35/140,976.96
  6. Step 6: Final answer
    x = 106,695.05

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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.