Home / 250,719.44-345,988.68-137,552.72

Finding the Fourth Proportional to 250,719.44, 345,988.68 and 137,552.72

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Solution

The fourth proportional to 250,719.44, 345,988.68 and 137,552.72 is: 189,820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,719.44 : 345,988.68 = 137,552.72 : x
  2. Step 2: Convert to fraction form
    250,719.44/345,988.68 = 137,552.72/x
  3. Step 3: Cross multiply
    250,719.44x = 345,988.68 × 137,552.72
  4. Step 4: Simplify right side
    250,719.44x = 47,591,684,023.21
  5. Step 5: Solve for x
    x = 47,591,684,023.21/250,719.44
  6. Step 6: Final answer
    x = 189,820.48

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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.