Home / 254,590.31-351,334.76-139,876.36

Finding the Fourth Proportional to 254,590.31, 351,334.76 and 139,876.36

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Solution

The fourth proportional to 254,590.31, 351,334.76 and 139,876.36 is: 193,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,590.31 : 351,334.76 = 139,876.36 : x
  2. Step 2: Convert to fraction form
    254,590.31/351,334.76 = 139,876.36/x
  3. Step 3: Cross multiply
    254,590.31x = 351,334.76 × 139,876.36
  4. Step 4: Simplify right side
    254,590.31x = 49,143,427,370.27
  5. Step 5: Solve for x
    x = 49,143,427,370.27/254,590.31
  6. Step 6: Final answer
    x = 193,029.45

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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.