Home / 251,186.41-346,636.68-143,758.54

Finding the Fourth Proportional to 251,186.41, 346,636.68 and 143,758.54

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Solution

The fourth proportional to 251,186.41, 346,636.68 and 143,758.54 is: 198,386.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,186.41 : 346,636.68 = 143,758.54 : x
  2. Step 2: Convert to fraction form
    251,186.41/346,636.68 = 143,758.54/x
  3. Step 3: Cross multiply
    251,186.41x = 346,636.68 × 143,758.54
  4. Step 4: Simplify right side
    251,186.41x = 49,831,981,294.06
  5. Step 5: Solve for x
    x = 49,831,981,294.06/251,186.41
  6. Step 6: Final answer
    x = 198,386.46

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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.