Home / 250,071.53-345,096.38-135,347.85

Finding the Fourth Proportional to 250,071.53, 345,096.38 and 135,347.85

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Solution

The fourth proportional to 250,071.53, 345,096.38 and 135,347.85 is: 186,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,071.53 : 345,096.38 = 135,347.85 : x
  2. Step 2: Convert to fraction form
    250,071.53/345,096.38 = 135,347.85/x
  3. Step 3: Cross multiply
    250,071.53x = 345,096.38 × 135,347.85
  4. Step 4: Simplify right side
    250,071.53x = 46,708,053,414.15
  5. Step 5: Solve for x
    x = 46,708,053,414.15/250,071.53
  6. Step 6: Final answer
    x = 186,778.78

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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.