Home / 129,537.29-194,332.37-54,657.45

Finding the Fourth Proportional to 129,537.29, 194,332.37 and 54,657.45

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Solution

The fourth proportional to 129,537.29, 194,332.37 and 54,657.45 is: 81,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,537.29 : 194,332.37 = 54,657.45 : x
  2. Step 2: Convert to fraction form
    129,537.29/194,332.37 = 54,657.45/x
  3. Step 3: Cross multiply
    129,537.29x = 194,332.37 × 54,657.45
  4. Step 4: Simplify right side
    129,537.29x = 10,621,711,523.37
  5. Step 5: Solve for x
    x = 10,621,711,523.37/129,537.29
  6. Step 6: Final answer
    x = 81,997.33

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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.