Home / 186,469.64-279,732.02-68,113.31

Finding the Fourth Proportional to 186,469.64, 279,732.02 and 68,113.31

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Solution

The fourth proportional to 186,469.64, 279,732.02 and 68,113.31 is: 102,180.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,469.64 : 279,732.02 = 68,113.31 : x
  2. Step 2: Convert to fraction form
    186,469.64/279,732.02 = 68,113.31/x
  3. Step 3: Cross multiply
    186,469.64x = 279,732.02 × 68,113.31
  4. Step 4: Simplify right side
    186,469.64x = 19,053,472,055.96
  5. Step 5: Solve for x
    x = 19,053,472,055.96/186,469.64
  6. Step 6: Final answer
    x = 102,180.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.