Home / 129,865.59-194,725.46-45,602.30

Finding the Fourth Proportional to 129,865.59, 194,725.46 and 45,602.30

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Solution

The fourth proportional to 129,865.59, 194,725.46 and 45,602.30 is: 68,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,865.59 : 194,725.46 = 45,602.30 : x
  2. Step 2: Convert to fraction form
    129,865.59/194,725.46 = 45,602.30/x
  3. Step 3: Cross multiply
    129,865.59x = 194,725.46 × 45,602.30
  4. Step 4: Simplify right side
    129,865.59x = 8,879,927,642.92
  5. Step 5: Solve for x
    x = 8,879,927,642.92/129,865.59
  6. Step 6: Final answer
    x = 68,377.83

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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.