Home / 159,020.52-219,316.84-107,949.28

Finding the Fourth Proportional to 159,020.52, 219,316.84 and 107,949.28

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Solution

The fourth proportional to 159,020.52, 219,316.84 and 107,949.28 is: 148,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,020.52 : 219,316.84 = 107,949.28 : x
  2. Step 2: Convert to fraction form
    159,020.52/219,316.84 = 107,949.28/x
  3. Step 3: Cross multiply
    159,020.52x = 219,316.84 × 107,949.28
  4. Step 4: Simplify right side
    159,020.52x = 23,675,094,969.88
  5. Step 5: Solve for x
    x = 23,675,094,969.88/159,020.52
  6. Step 6: Final answer
    x = 148,880.75

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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.