Home / 130,429.85-195,572.69-40,447.61

Finding the Fourth Proportional to 130,429.85, 195,572.69 and 40,447.61

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Solution

The fourth proportional to 130,429.85, 195,572.69 and 40,447.61 is: 60,649.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,429.85 : 195,572.69 = 40,447.61 : x
  2. Step 2: Convert to fraction form
    130,429.85/195,572.69 = 40,447.61/x
  3. Step 3: Cross multiply
    130,429.85x = 195,572.69 × 40,447.61
  4. Step 4: Simplify right side
    130,429.85x = 7,910,447,689.53
  5. Step 5: Solve for x
    x = 7,910,447,689.53/130,429.85
  6. Step 6: Final answer
    x = 60,649.06

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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.