Home / 102,395.92-153,503.52-40,022.80

Finding the Fourth Proportional to 102,395.92, 153,503.52 and 40,022.80

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Solution

The fourth proportional to 102,395.92, 153,503.52 and 40,022.80 is: 59,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,395.92 : 153,503.52 = 40,022.80 : x
  2. Step 2: Convert to fraction form
    102,395.92/153,503.52 = 40,022.80/x
  3. Step 3: Cross multiply
    102,395.92x = 153,503.52 × 40,022.80
  4. Step 4: Simplify right side
    102,395.92x = 6,143,640,680.26
  5. Step 5: Solve for x
    x = 6,143,640,680.26/102,395.92
  6. Step 6: Final answer
    x = 59,998.88

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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.