Home / 147,815.38-221,665.55-47,951.43

Finding the Fourth Proportional to 147,815.38, 221,665.55 and 47,951.43

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Solution

The fourth proportional to 147,815.38, 221,665.55 and 47,951.43 is: 71,908.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,815.38 : 221,665.55 = 47,951.43 : x
  2. Step 2: Convert to fraction form
    147,815.38/221,665.55 = 47,951.43/x
  3. Step 3: Cross multiply
    147,815.38x = 221,665.55 × 47,951.43
  4. Step 4: Simplify right side
    147,815.38x = 10,629,180,104.24
  5. Step 5: Solve for x
    x = 10,629,180,104.24/147,815.38
  6. Step 6: Final answer
    x = 71,908.49

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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.