Home / 250,146.26-345,199.36-135,421.87

Finding the Fourth Proportional to 250,146.26, 345,199.36 and 135,421.87

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Solution

The fourth proportional to 250,146.26, 345,199.36 and 135,421.87 is: 186,880.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,146.26 : 345,199.36 = 135,421.87 : x
  2. Step 2: Convert to fraction form
    250,146.26/345,199.36 = 135,421.87/x
  3. Step 3: Cross multiply
    250,146.26x = 345,199.36 × 135,421.87
  4. Step 4: Simplify right side
    250,146.26x = 46,747,541,652.45
  5. Step 5: Solve for x
    x = 46,747,541,652.45/250,146.26
  6. Step 6: Final answer
    x = 186,880.83

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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.