Home / 240,528.56-331,964.62-138,534.41

Finding the Fourth Proportional to 240,528.56, 331,964.62 and 138,534.41

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Solution

The fourth proportional to 240,528.56, 331,964.62 and 138,534.41 is: 191,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,528.56 : 331,964.62 = 138,534.41 : x
  2. Step 2: Convert to fraction form
    240,528.56/331,964.62 = 138,534.41/x
  3. Step 3: Cross multiply
    240,528.56x = 331,964.62 × 138,534.41
  4. Step 4: Simplify right side
    240,528.56x = 45,988,522,772.57
  5. Step 5: Solve for x
    x = 45,988,522,772.57/240,528.56
  6. Step 6: Final answer
    x = 191,197.76

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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.