Home / 250,204.24-345,263.88-137,008.72

Finding the Fourth Proportional to 250,204.24, 345,263.88 and 137,008.72

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Solution

The fourth proportional to 250,204.24, 345,263.88 and 137,008.72 is: 189,062.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,204.24 : 345,263.88 = 137,008.72 : x
  2. Step 2: Convert to fraction form
    250,204.24/345,263.88 = 137,008.72/x
  3. Step 3: Cross multiply
    250,204.24x = 345,263.88 × 137,008.72
  4. Step 4: Simplify right side
    250,204.24x = 47,304,162,261.03
  5. Step 5: Solve for x
    x = 47,304,162,261.03/250,204.24
  6. Step 6: Final answer
    x = 189,062.19

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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.