Home / 250,352.20-345,486.18-137,174.92

Finding the Fourth Proportional to 250,352.20, 345,486.18 and 137,174.92

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Solution

The fourth proportional to 250,352.20, 345,486.18 and 137,174.92 is: 189,301.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,352.20 : 345,486.18 = 137,174.92 : x
  2. Step 2: Convert to fraction form
    250,352.20/345,486.18 = 137,174.92/x
  3. Step 3: Cross multiply
    250,352.20x = 345,486.18 × 137,174.92
  4. Step 4: Simplify right side
    250,352.20x = 47,392,039,102.61
  5. Step 5: Solve for x
    x = 47,392,039,102.61/250,352.20
  6. Step 6: Final answer
    x = 189,301.47

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1.5x scale

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.