Home / 118,119.30-177,214.73-42,207.90

Finding the Fourth Proportional to 118,119.30, 177,214.73 and 42,207.90

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Solution

The fourth proportional to 118,119.30, 177,214.73 and 42,207.90 is: 63,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,119.30 : 177,214.73 = 42,207.90 : x
  2. Step 2: Convert to fraction form
    118,119.30/177,214.73 = 42,207.90/x
  3. Step 3: Cross multiply
    118,119.30x = 177,214.73 × 42,207.90
  4. Step 4: Simplify right side
    118,119.30x = 7,479,861,391.33
  5. Step 5: Solve for x
    x = 7,479,861,391.33/118,119.30
  6. Step 6: Final answer
    x = 63,324.63

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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.