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Finding the Fourth Proportional to 147,465.78, 221,198.61 and 36,657.78

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Solution

The fourth proportional to 147,465.78, 221,198.61 and 36,657.78 is: 54,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,465.78 : 221,198.61 = 36,657.78 : x
  2. Step 2: Convert to fraction form
    147,465.78/221,198.61 = 36,657.78/x
  3. Step 3: Cross multiply
    147,465.78x = 221,198.61 × 36,657.78
  4. Step 4: Simplify right side
    147,465.78x = 8,108,649,981.69
  5. Step 5: Solve for x
    x = 8,108,649,981.69/147,465.78
  6. Step 6: Final answer
    x = 54,986.66

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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.