Home / 250,257.68-345,359.40-137,090.96

Finding the Fourth Proportional to 250,257.68, 345,359.40 and 137,090.96

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Solution

The fourth proportional to 250,257.68, 345,359.40 and 137,090.96 is: 189,187.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,257.68 : 345,359.40 = 137,090.96 : x
  2. Step 2: Convert to fraction form
    250,257.68/345,359.40 = 137,090.96/x
  3. Step 3: Cross multiply
    250,257.68x = 345,359.40 × 137,090.96
  4. Step 4: Simplify right side
    250,257.68x = 47,345,651,691.02
  5. Step 5: Solve for x
    x = 47,345,651,691.02/250,257.68
  6. Step 6: Final answer
    x = 189,187.61

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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.