Home / 250,207.11-345,200.13-142,699.86

Finding the Fourth Proportional to 250,207.11, 345,200.13 and 142,699.86

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Solution

The fourth proportional to 250,207.11, 345,200.13 and 142,699.86 is: 196,876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,207.11 : 345,200.13 = 142,699.86 : x
  2. Step 2: Convert to fraction form
    250,207.11/345,200.13 = 142,699.86/x
  3. Step 3: Cross multiply
    250,207.11x = 345,200.13 × 142,699.86
  4. Step 4: Simplify right side
    250,207.11x = 49,260,010,222.98
  5. Step 5: Solve for x
    x = 49,260,010,222.98/250,207.11
  6. Step 6: Final answer
    x = 196,876.94

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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.