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Finding the Fourth Proportional to 145,843.29, 219,552.90 and 131,179.08

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Solution

The fourth proportional to 145,843.29, 219,552.90 and 131,179.08 is: 197,477.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,843.29 : 219,552.90 = 131,179.08 : x
  2. Step 2: Convert to fraction form
    145,843.29/219,552.90 = 131,179.08/x
  3. Step 3: Cross multiply
    145,843.29x = 219,552.90 × 131,179.08
  4. Step 4: Simplify right side
    145,843.29x = 28,800,747,433.33
  5. Step 5: Solve for x
    x = 28,800,747,433.33/145,843.29
  6. Step 6: Final answer
    x = 197,477.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.