Home / 205,306.92-308,057.85-142,224.12

Finding the Fourth Proportional to 205,306.92, 308,057.85 and 142,224.12

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Solution

The fourth proportional to 205,306.92, 308,057.85 and 142,224.12 is: 213,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,306.92 : 308,057.85 = 142,224.12 : x
  2. Step 2: Convert to fraction form
    205,306.92/308,057.85 = 142,224.12/x
  3. Step 3: Cross multiply
    205,306.92x = 308,057.85 × 142,224.12
  4. Step 4: Simplify right side
    205,306.92x = 43,813,256,625.34
  5. Step 5: Solve for x
    x = 43,813,256,625.34/205,306.92
  6. Step 6: Final answer
    x = 213,403.70

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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.