Home / 133,945.12-200,911.76-40,448

Finding the Fourth Proportional to 133,945.12, 200,911.76 and 40,448

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Solution

The fourth proportional to 133,945.12, 200,911.76 and 40,448 is: 60,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,945.12 : 200,911.76 = 40,448 : x
  2. Step 2: Convert to fraction form
    133,945.12/200,911.76 = 40,448/x
  3. Step 3: Cross multiply
    133,945.12x = 200,911.76 × 40,448
  4. Step 4: Simplify right side
    133,945.12x = 8,126,478,868.48
  5. Step 5: Solve for x
    x = 8,126,478,868.48/133,945.12
  6. Step 6: Final answer
    x = 60,670.21

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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.