Home / 178,986.30-247,007.46-102,519.06

Finding the Fourth Proportional to 178,986.30, 247,007.46 and 102,519.06

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Solution

The fourth proportional to 178,986.30, 247,007.46 and 102,519.06 is: 141,479.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,986.30 : 247,007.46 = 102,519.06 : x
  2. Step 2: Convert to fraction form
    178,986.30/247,007.46 = 102,519.06/x
  3. Step 3: Cross multiply
    178,986.30x = 247,007.46 × 102,519.06
  4. Step 4: Simplify right side
    178,986.30x = 25,322,972,612.19
  5. Step 5: Solve for x
    x = 25,322,972,612.19/178,986.30
  6. Step 6: Final answer
    x = 141,479.95

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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.