Home / 254,712.57-351,511.25-139,989.14

Finding the Fourth Proportional to 254,712.57, 351,511.25 and 139,989.14

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Solution

The fourth proportional to 254,712.57, 351,511.25 and 139,989.14 is: 193,189.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,712.57 : 351,511.25 = 139,989.14 : x
  2. Step 2: Convert to fraction form
    254,712.57/351,511.25 = 139,989.14/x
  3. Step 3: Cross multiply
    254,712.57x = 351,511.25 × 139,989.14
  4. Step 4: Simplify right side
    254,712.57x = 49,207,757,587.83
  5. Step 5: Solve for x
    x = 49,207,757,587.83/254,712.57
  6. Step 6: Final answer
    x = 193,189.36

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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.