Home / 161,439.39-242,107.62-53,348.62

Finding the Fourth Proportional to 161,439.39, 242,107.62 and 53,348.62

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Solution

The fourth proportional to 161,439.39, 242,107.62 and 53,348.62 is: 80,005.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,439.39 : 242,107.62 = 53,348.62 : x
  2. Step 2: Convert to fraction form
    161,439.39/242,107.62 = 53,348.62/x
  3. Step 3: Cross multiply
    161,439.39x = 242,107.62 × 53,348.62
  4. Step 4: Simplify right side
    161,439.39x = 12,916,107,121.94
  5. Step 5: Solve for x
    x = 12,916,107,121.94/161,439.39
  6. Step 6: Final answer
    x = 80,005.92

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1.5x scale

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.