Home / 240,189.55-331,452.73-138,230.69

Finding the Fourth Proportional to 240,189.55, 331,452.73 and 138,230.69

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Solution

The fourth proportional to 240,189.55, 331,452.73 and 138,230.69 is: 190,753.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,189.55 : 331,452.73 = 138,230.69 : x
  2. Step 2: Convert to fraction form
    240,189.55/331,452.73 = 138,230.69/x
  3. Step 3: Cross multiply
    240,189.55x = 331,452.73 × 138,230.69
  4. Step 4: Simplify right side
    240,189.55x = 45,816,940,053.34
  5. Step 5: Solve for x
    x = 45,816,940,053.34/240,189.55
  6. Step 6: Final answer
    x = 190,753.26

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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.