Home / 250,147.25-345,203.76-135,427.10

Finding the Fourth Proportional to 250,147.25, 345,203.76 and 135,427.10

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Solution

The fourth proportional to 250,147.25, 345,203.76 and 135,427.10 is: 186,889.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,147.25 : 345,203.76 = 135,427.10 : x
  2. Step 2: Convert to fraction form
    250,147.25/345,203.76 = 135,427.10/x
  3. Step 3: Cross multiply
    250,147.25x = 345,203.76 × 135,427.10
  4. Step 4: Simplify right side
    250,147.25x = 46,749,944,125.90
  5. Step 5: Solve for x
    x = 46,749,944,125.90/250,147.25
  6. Step 6: Final answer
    x = 186,889.70

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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.