Home / 109,055.82-163,516.75-42,418.29

Finding the Fourth Proportional to 109,055.82, 163,516.75 and 42,418.29

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Solution

The fourth proportional to 109,055.82, 163,516.75 and 42,418.29 is: 63,601.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,055.82 : 163,516.75 = 42,418.29 : x
  2. Step 2: Convert to fraction form
    109,055.82/163,516.75 = 42,418.29/x
  3. Step 3: Cross multiply
    109,055.82x = 163,516.75 × 42,418.29
  4. Step 4: Simplify right side
    109,055.82x = 6,936,100,921.36
  5. Step 5: Solve for x
    x = 6,936,100,921.36/109,055.82
  6. Step 6: Final answer
    x = 63,601.38

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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.