Home / 234,877.92-324,189.12-144,255.60

Finding the Fourth Proportional to 234,877.92, 324,189.12 and 144,255.60

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Solution

The fourth proportional to 234,877.92, 324,189.12 and 144,255.60 is: 199,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,877.92 : 324,189.12 = 144,255.60 : x
  2. Step 2: Convert to fraction form
    234,877.92/324,189.12 = 144,255.60/x
  3. Step 3: Cross multiply
    234,877.92x = 324,189.12 × 144,255.60
  4. Step 4: Simplify right side
    234,877.92x = 46,766,096,019.07
  5. Step 5: Solve for x
    x = 46,766,096,019.07/234,877.92
  6. Step 6: Final answer
    x = 199,108.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.