Home / 108,949.94-163,382.78-42,381.08

Finding the Fourth Proportional to 108,949.94, 163,382.78 and 42,381.08

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Solution

The fourth proportional to 108,949.94, 163,382.78 and 42,381.08 is: 63,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,949.94 : 163,382.78 = 42,381.08 : x
  2. Step 2: Convert to fraction form
    108,949.94/163,382.78 = 42,381.08/x
  3. Step 3: Cross multiply
    108,949.94x = 163,382.78 × 42,381.08
  4. Step 4: Simplify right side
    108,949.94x = 6,924,338,669.80
  5. Step 5: Solve for x
    x = 6,924,338,669.80/108,949.94
  6. Step 6: Final answer
    x = 63,555.23

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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.