Home / 161,813.08-242,721.69-61,979.27

Finding the Fourth Proportional to 161,813.08, 242,721.69 and 61,979.27

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Solution

The fourth proportional to 161,813.08, 242,721.69 and 61,979.27 is: 92,969.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,813.08 : 242,721.69 = 61,979.27 : x
  2. Step 2: Convert to fraction form
    161,813.08/242,721.69 = 61,979.27/x
  3. Step 3: Cross multiply
    161,813.08x = 242,721.69 × 61,979.27
  4. Step 4: Simplify right side
    161,813.08x = 15,043,711,713.34
  5. Step 5: Solve for x
    x = 15,043,711,713.34/161,813.08
  6. Step 6: Final answer
    x = 92,969.69

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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.