Home / 129,877.10-194,815.65-124,628.30

Finding the Fourth Proportional to 129,877.10, 194,815.65 and 124,628.30

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Solution

The fourth proportional to 129,877.10, 194,815.65 and 124,628.30 is: 186,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,877.10 : 194,815.65 = 124,628.30 : x
  2. Step 2: Convert to fraction form
    129,877.10/194,815.65 = 124,628.30/x
  3. Step 3: Cross multiply
    129,877.10x = 194,815.65 × 124,628.30
  4. Step 4: Simplify right side
    129,877.10x = 24,279,543,272.90
  5. Step 5: Solve for x
    x = 24,279,543,272.90/129,877.10
  6. Step 6: Final answer
    x = 186,942.45

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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.