Home / 250,668.90-345,921.64-135,946.39

Finding the Fourth Proportional to 250,668.90, 345,921.64 and 135,946.39

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Solution

The fourth proportional to 250,668.90, 345,921.64 and 135,946.39 is: 187,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,668.90 : 345,921.64 = 135,946.39 : x
  2. Step 2: Convert to fraction form
    250,668.90/345,921.64 = 135,946.39/x
  3. Step 3: Cross multiply
    250,668.90x = 345,921.64 × 135,946.39
  4. Step 4: Simplify right side
    250,668.90x = 47,026,798,180.88
  5. Step 5: Solve for x
    x = 47,026,798,180.88/250,668.90
  6. Step 6: Final answer
    x = 187,605.24

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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.