Home / 129,664.70-194,482.65-106,250.30

Finding the Fourth Proportional to 129,664.70, 194,482.65 and 106,250.30

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Solution

The fourth proportional to 129,664.70, 194,482.65 and 106,250.30 is: 159,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,664.70 : 194,482.65 = 106,250.30 : x
  2. Step 2: Convert to fraction form
    129,664.70/194,482.65 = 106,250.30/x
  3. Step 3: Cross multiply
    129,664.70x = 194,482.65 × 106,250.30
  4. Step 4: Simplify right side
    129,664.70x = 20,663,839,907.30
  5. Step 5: Solve for x
    x = 20,663,839,907.30/129,664.70
  6. Step 6: Final answer
    x = 159,363.65

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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.