Home / 250,400.96-345,562.18-137,223.72

Finding the Fourth Proportional to 250,400.96, 345,562.18 and 137,223.72

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Solution

The fourth proportional to 250,400.96, 345,562.18 and 137,223.72 is: 189,373.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,400.96 : 345,562.18 = 137,223.72 : x
  2. Step 2: Convert to fraction form
    250,400.96/345,562.18 = 137,223.72/x
  3. Step 3: Cross multiply
    250,400.96x = 345,562.18 × 137,223.72
  4. Step 4: Simplify right side
    250,400.96x = 47,419,327,830.91
  5. Step 5: Solve for x
    x = 47,419,327,830.91/250,400.96
  6. Step 6: Final answer
    x = 189,373.59

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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.