Home / 250,287.46-345,405.30-137,110.18

Finding the Fourth Proportional to 250,287.46, 345,405.30 and 137,110.18

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Solution

The fourth proportional to 250,287.46, 345,405.30 and 137,110.18 is: 189,216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,287.46 : 345,405.30 = 137,110.18 : x
  2. Step 2: Convert to fraction form
    250,287.46/345,405.30 = 137,110.18/x
  3. Step 3: Cross multiply
    250,287.46x = 345,405.30 × 137,110.18
  4. Step 4: Simplify right side
    250,287.46x = 47,358,582,855.95
  5. Step 5: Solve for x
    x = 47,358,582,855.95/250,287.46
  6. Step 6: Final answer
    x = 189,216.76

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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.