Home / 240,012.36-331,217.26-131,118.20

Finding the Fourth Proportional to 240,012.36, 331,217.26 and 131,118.20

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Solution

The fourth proportional to 240,012.36, 331,217.26 and 131,118.20 is: 180,943.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,012.36 : 331,217.26 = 131,118.20 : x
  2. Step 2: Convert to fraction form
    240,012.36/331,217.26 = 131,118.20/x
  3. Step 3: Cross multiply
    240,012.36x = 331,217.26 × 131,118.20
  4. Step 4: Simplify right side
    240,012.36x = 43,428,610,940.13
  5. Step 5: Solve for x
    x = 43,428,610,940.13/240,012.36
  6. Step 6: Final answer
    x = 180,943.23

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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.