Home / 129,468.06-194,161.14-54,574.38

Finding the Fourth Proportional to 129,468.06, 194,161.14 and 54,574.38

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Solution

The fourth proportional to 129,468.06, 194,161.14 and 54,574.38 is: 81,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,468.06 : 194,161.14 = 54,574.38 : x
  2. Step 2: Convert to fraction form
    129,468.06/194,161.14 = 54,574.38/x
  3. Step 3: Cross multiply
    129,468.06x = 194,161.14 × 54,574.38
  4. Step 4: Simplify right side
    129,468.06x = 10,596,223,835.59
  5. Step 5: Solve for x
    x = 10,596,223,835.59/129,468.06
  6. Step 6: Final answer
    x = 81,844.31

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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.