Home / 147,961.80-221,942.70-41,345.55

Finding the Fourth Proportional to 147,961.80, 221,942.70 and 41,345.55

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Solution

The fourth proportional to 147,961.80, 221,942.70 and 41,345.55 is: 62,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,961.80 : 221,942.70 = 41,345.55 : x
  2. Step 2: Convert to fraction form
    147,961.80/221,942.70 = 41,345.55/x
  3. Step 3: Cross multiply
    147,961.80x = 221,942.70 × 41,345.55
  4. Step 4: Simplify right side
    147,961.80x = 9,176,342,999.99
  5. Step 5: Solve for x
    x = 9,176,342,999.99/147,961.80
  6. Step 6: Final answer
    x = 62,018.33

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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.