Home / 230,180.31-317,664.79-139,540.10

Finding the Fourth Proportional to 230,180.31, 317,664.79 and 139,540.10

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Solution

The fourth proportional to 230,180.31, 317,664.79 and 139,540.10 is: 192,575.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,180.31 : 317,664.79 = 139,540.10 : x
  2. Step 2: Convert to fraction form
    230,180.31/317,664.79 = 139,540.10/x
  3. Step 3: Cross multiply
    230,180.31x = 317,664.79 × 139,540.10
  4. Step 4: Simplify right side
    230,180.31x = 44,326,974,974.76
  5. Step 5: Solve for x
    x = 44,326,974,974.76/230,180.31
  6. Step 6: Final answer
    x = 192,575.01

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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.