Home / 175,049.70-262,355.85-128,247.90

Finding the Fourth Proportional to 175,049.70, 262,355.85 and 128,247.90

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Solution

The fourth proportional to 175,049.70, 262,355.85 and 128,247.90 is: 192,211.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,049.70 : 262,355.85 = 128,247.90 : x
  2. Step 2: Convert to fraction form
    175,049.70/262,355.85 = 128,247.90/x
  3. Step 3: Cross multiply
    175,049.70x = 262,355.85 × 128,247.90
  4. Step 4: Simplify right side
    175,049.70x = 33,646,586,815.22
  5. Step 5: Solve for x
    x = 33,646,586,815.22/175,049.70
  6. Step 6: Final answer
    x = 192,211.62

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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.