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Finding the Fourth Proportional to 164,018.80, 246,125.40 and 108,019.46

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Solution

The fourth proportional to 164,018.80, 246,125.40 and 108,019.46 is: 162,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,018.80 : 246,125.40 = 108,019.46 : x
  2. Step 2: Convert to fraction form
    164,018.80/246,125.40 = 108,019.46/x
  3. Step 3: Cross multiply
    164,018.80x = 246,125.40 × 108,019.46
  4. Step 4: Simplify right side
    164,018.80x = 26,586,332,800.28
  5. Step 5: Solve for x
    x = 26,586,332,800.28/164,018.80
  6. Step 6: Final answer
    x = 162,093.20

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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.