Home / 133,602.13-200,398.33-40,105.45

Finding the Fourth Proportional to 133,602.13, 200,398.33 and 40,105.45

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Solution

The fourth proportional to 133,602.13, 200,398.33 and 40,105.45 is: 60,156.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,602.13 : 200,398.33 = 40,105.45 : x
  2. Step 2: Convert to fraction form
    133,602.13/200,398.33 = 40,105.45/x
  3. Step 3: Cross multiply
    133,602.13x = 200,398.33 × 40,105.45
  4. Step 4: Simplify right side
    133,602.13x = 8,037,065,203.90
  5. Step 5: Solve for x
    x = 8,037,065,203.90/133,602.13
  6. Step 6: Final answer
    x = 60,156.71

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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.