Home / 240,001.80-331,203.54-131,107.57

Finding the Fourth Proportional to 240,001.80, 331,203.54 and 131,107.57

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Solution

The fourth proportional to 240,001.80, 331,203.54 and 131,107.57 is: 180,929.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,001.80 : 331,203.54 = 131,107.57 : x
  2. Step 2: Convert to fraction form
    240,001.80/331,203.54 = 131,107.57/x
  3. Step 3: Cross multiply
    240,001.80x = 331,203.54 × 131,107.57
  4. Step 4: Simplify right side
    240,001.80x = 43,423,291,304.80
  5. Step 5: Solve for x
    x = 43,423,291,304.80/240,001.80
  6. Step 6: Final answer
    x = 180,929.02

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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.