Home / 178,018.80-245,687.76-106,398.24

Finding the Fourth Proportional to 178,018.80, 245,687.76 and 106,398.24

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Solution

The fourth proportional to 178,018.80, 245,687.76 and 106,398.24 is: 146,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,018.80 : 245,687.76 = 106,398.24 : x
  2. Step 2: Convert to fraction form
    178,018.80/245,687.76 = 106,398.24/x
  3. Step 3: Cross multiply
    178,018.80x = 245,687.76 × 106,398.24
  4. Step 4: Simplify right side
    178,018.80x = 26,140,745,253.54
  5. Step 5: Solve for x
    x = 26,140,745,253.54/178,018.80
  6. Step 6: Final answer
    x = 146,842.61

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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.