Home / 161,813.79-242,722.94-61,979.04

Finding the Fourth Proportional to 161,813.79, 242,722.94 and 61,979.04

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Solution

The fourth proportional to 161,813.79, 242,722.94 and 61,979.04 is: 92,969.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,813.79 : 242,722.94 = 61,979.04 : x
  2. Step 2: Convert to fraction form
    161,813.79/242,722.94 = 61,979.04/x
  3. Step 3: Cross multiply
    161,813.79x = 242,722.94 × 61,979.04
  4. Step 4: Simplify right side
    161,813.79x = 15,043,734,497.28
  5. Step 5: Solve for x
    x = 15,043,734,497.28/161,813.79
  6. Step 6: Final answer
    x = 92,969.42

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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.