Home / 140,846.45-194,369.63-77,182.88

Finding the Fourth Proportional to 140,846.45, 194,369.63 and 77,182.88

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Solution

The fourth proportional to 140,846.45, 194,369.63 and 77,182.88 is: 106,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,846.45 : 194,369.63 = 77,182.88 : x
  2. Step 2: Convert to fraction form
    140,846.45/194,369.63 = 77,182.88/x
  3. Step 3: Cross multiply
    140,846.45x = 194,369.63 × 77,182.88
  4. Step 4: Simplify right side
    140,846.45x = 15,002,006,470.17
  5. Step 5: Solve for x
    x = 15,002,006,470.17/140,846.45
  6. Step 6: Final answer
    x = 106,513.21

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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.