Home / 240,288.12-331,593.96-131,392.81

Finding the Fourth Proportional to 240,288.12, 331,593.96 and 131,392.81

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Solution

The fourth proportional to 240,288.12, 331,593.96 and 131,392.81 is: 181,320.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,288.12 : 331,593.96 = 131,392.81 : x
  2. Step 2: Convert to fraction form
    240,288.12/331,593.96 = 131,392.81/x
  3. Step 3: Cross multiply
    240,288.12x = 331,593.96 × 131,392.81
  4. Step 4: Simplify right side
    240,288.12x = 43,569,061,225.43
  5. Step 5: Solve for x
    x = 43,569,061,225.43/240,288.12
  6. Step 6: Final answer
    x = 181,320.08

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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.