Home / 129,677.64-194,371.92-54,775.32

Finding the Fourth Proportional to 129,677.64, 194,371.92 and 54,775.32

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Solution

The fourth proportional to 129,677.64, 194,371.92 and 54,775.32 is: 82,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,677.64 : 194,371.92 = 54,775.32 : x
  2. Step 2: Convert to fraction form
    129,677.64/194,371.92 = 54,775.32/x
  3. Step 3: Cross multiply
    129,677.64x = 194,371.92 × 54,775.32
  4. Step 4: Simplify right side
    129,677.64x = 10,646,784,117.01
  5. Step 5: Solve for x
    x = 10,646,784,117.01/129,677.64
  6. Step 6: Final answer
    x = 82,101.93

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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.