Home / 240,104.85-331,345.53-131,209.17

Finding the Fourth Proportional to 240,104.85, 331,345.53 and 131,209.17

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Solution

The fourth proportional to 240,104.85, 331,345.53 and 131,209.17 is: 181,069.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,104.85 : 331,345.53 = 131,209.17 : x
  2. Step 2: Convert to fraction form
    240,104.85/331,345.53 = 131,209.17/x
  3. Step 3: Cross multiply
    240,104.85x = 331,345.53 × 131,209.17
  4. Step 4: Simplify right side
    240,104.85x = 43,475,571,974.51
  5. Step 5: Solve for x
    x = 43,475,571,974.51/240,104.85
  6. Step 6: Final answer
    x = 181,069.11

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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.