Home / 250,296.44-345,417.88-137,119.18

Finding the Fourth Proportional to 250,296.44, 345,417.88 and 137,119.18

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Solution

The fourth proportional to 250,296.44, 345,417.88 and 137,119.18 is: 189,229.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,296.44 : 345,417.88 = 137,119.18 : x
  2. Step 2: Convert to fraction form
    250,296.44/345,417.88 = 137,119.18/x
  3. Step 3: Cross multiply
    250,296.44x = 345,417.88 × 137,119.18
  4. Step 4: Simplify right side
    250,296.44x = 47,363,416,462.94
  5. Step 5: Solve for x
    x = 47,363,416,462.94/250,296.44
  6. Step 6: Final answer
    x = 189,229.29

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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.