Home / 129,621.98-194,426.49-50,750.66

Finding the Fourth Proportional to 129,621.98, 194,426.49 and 50,750.66

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Solution

The fourth proportional to 129,621.98, 194,426.49 and 50,750.66 is: 76,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,621.98 : 194,426.49 = 50,750.66 : x
  2. Step 2: Convert to fraction form
    129,621.98/194,426.49 = 50,750.66/x
  3. Step 3: Cross multiply
    129,621.98x = 194,426.49 × 50,750.66
  4. Step 4: Simplify right side
    129,621.98x = 9,867,272,688.98
  5. Step 5: Solve for x
    x = 9,867,272,688.98/129,621.98
  6. Step 6: Final answer
    x = 76,123.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.