Home / 159,918.45-238,587.11-154,103.73

Finding the Fourth Proportional to 159,918.45, 238,587.11 and 154,103.73

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Solution

The fourth proportional to 159,918.45, 238,587.11 and 154,103.73 is: 229,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,918.45 : 238,587.11 = 154,103.73 : x
  2. Step 2: Convert to fraction form
    159,918.45/238,587.11 = 154,103.73/x
  3. Step 3: Cross multiply
    159,918.45x = 238,587.11 × 154,103.73
  4. Step 4: Simplify right side
    159,918.45x = 36,767,162,810.40
  5. Step 5: Solve for x
    x = 36,767,162,810.40/159,918.45
  6. Step 6: Final answer
    x = 229,911.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.