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Finding the Fourth Proportional to 159,508.66, 220,137.46 and 119,152.36

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Solution

The fourth proportional to 159,508.66, 220,137.46 and 119,152.36 is: 164,441.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,508.66 : 220,137.46 = 119,152.36 : x
  2. Step 2: Convert to fraction form
    159,508.66/220,137.46 = 119,152.36/x
  3. Step 3: Cross multiply
    159,508.66x = 220,137.46 × 119,152.36
  4. Step 4: Simplify right side
    159,508.66x = 26,229,897,786.12
  5. Step 5: Solve for x
    x = 26,229,897,786.12/159,508.66
  6. Step 6: Final answer
    x = 164,441.84

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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.