Home / 240,127.73-331,342.61-138,114.41

Finding the Fourth Proportional to 240,127.73, 331,342.61 and 138,114.41

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Solution

The fourth proportional to 240,127.73, 331,342.61 and 138,114.41 is: 190,578.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,127.73 : 331,342.61 = 138,114.41 : x
  2. Step 2: Convert to fraction form
    240,127.73/331,342.61 = 138,114.41/x
  3. Step 3: Cross multiply
    240,127.73x = 331,342.61 × 138,114.41
  4. Step 4: Simplify right side
    240,127.73x = 45,763,189,433.30
  5. Step 5: Solve for x
    x = 45,763,189,433.30/240,127.73
  6. Step 6: Final answer
    x = 190,578.53

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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.