Home / 130,140.66-195,234.14-45,949.70

Finding the Fourth Proportional to 130,140.66, 195,234.14 and 45,949.70

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Solution

The fourth proportional to 130,140.66, 195,234.14 and 45,949.70 is: 68,932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,140.66 : 195,234.14 = 45,949.70 : x
  2. Step 2: Convert to fraction form
    130,140.66/195,234.14 = 45,949.70/x
  3. Step 3: Cross multiply
    130,140.66x = 195,234.14 × 45,949.70
  4. Step 4: Simplify right side
    130,140.66x = 8,970,950,162.76
  5. Step 5: Solve for x
    x = 8,970,950,162.76/130,140.66
  6. Step 6: Final answer
    x = 68,932.72

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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.