Home / 133,395.90-200,029.05-74,168.70

Finding the Fourth Proportional to 133,395.90, 200,029.05 and 74,168.70

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Solution

The fourth proportional to 133,395.90, 200,029.05 and 74,168.70 is: 111,217.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,395.90 : 200,029.05 = 74,168.70 : x
  2. Step 2: Convert to fraction form
    133,395.90/200,029.05 = 74,168.70/x
  3. Step 3: Cross multiply
    133,395.90x = 200,029.05 × 74,168.70
  4. Step 4: Simplify right side
    133,395.90x = 14,835,894,600.74
  5. Step 5: Solve for x
    x = 14,835,894,600.74/133,395.90
  6. Step 6: Final answer
    x = 111,217.02

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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.