Home / 250,213.08-345,281.20-137,013.96

Finding the Fourth Proportional to 250,213.08, 345,281.20 and 137,013.96

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Solution

The fourth proportional to 250,213.08, 345,281.20 and 137,013.96 is: 189,072.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,213.08 : 345,281.20 = 137,013.96 : x
  2. Step 2: Convert to fraction form
    250,213.08/345,281.20 = 137,013.96/x
  3. Step 3: Cross multiply
    250,213.08x = 345,281.20 × 137,013.96
  4. Step 4: Simplify right side
    250,213.08x = 47,308,344,525.55
  5. Step 5: Solve for x
    x = 47,308,344,525.55/250,213.08
  6. Step 6: Final answer
    x = 189,072.23

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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.