Home / 250,212.62-345,301.71-137,041.58

Finding the Fourth Proportional to 250,212.62, 345,301.71 and 137,041.58

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Solution

The fourth proportional to 250,212.62, 345,301.71 and 137,041.58 is: 189,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,212.62 : 345,301.71 = 137,041.58 : x
  2. Step 2: Convert to fraction form
    250,212.62/345,301.71 = 137,041.58/x
  3. Step 3: Cross multiply
    250,212.62x = 345,301.71 × 137,041.58
  4. Step 4: Simplify right side
    250,212.62x = 47,320,691,915.10
  5. Step 5: Solve for x
    x = 47,320,691,915.10/250,212.62
  6. Step 6: Final answer
    x = 189,121.92

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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.