Home / 240,226.64-331,496.96-138,235.64

Finding the Fourth Proportional to 240,226.64, 331,496.96 and 138,235.64

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Solution

The fourth proportional to 240,226.64, 331,496.96 and 138,235.64 is: 190,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,226.64 : 331,496.96 = 138,235.64 : x
  2. Step 2: Convert to fraction form
    240,226.64/331,496.96 = 138,235.64/x
  3. Step 3: Cross multiply
    240,226.64x = 331,496.96 × 138,235.64
  4. Step 4: Simplify right side
    240,226.64x = 45,824,694,423.65
  5. Step 5: Solve for x
    x = 45,824,694,423.65/240,226.64
  6. Step 6: Final answer
    x = 190,756.09

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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.