Home / 133,362.78-183,900.15-82,974.30

Finding the Fourth Proportional to 133,362.78, 183,900.15 and 82,974.30

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Solution

The fourth proportional to 133,362.78, 183,900.15 and 82,974.30 is: 114,417.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,362.78 : 183,900.15 = 82,974.30 : x
  2. Step 2: Convert to fraction form
    133,362.78/183,900.15 = 82,974.30/x
  3. Step 3: Cross multiply
    133,362.78x = 183,900.15 × 82,974.30
  4. Step 4: Simplify right side
    133,362.78x = 15,258,986,216.15
  5. Step 5: Solve for x
    x = 15,258,986,216.15/133,362.78
  6. Step 6: Final answer
    x = 114,417.13

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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.