Home / 147,390.11-221,131.89-52,618.23

Finding the Fourth Proportional to 147,390.11, 221,131.89 and 52,618.23

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Solution

The fourth proportional to 147,390.11, 221,131.89 and 52,618.23 is: 78,944.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,390.11 : 221,131.89 = 52,618.23 : x
  2. Step 2: Convert to fraction form
    147,390.11/221,131.89 = 52,618.23/x
  3. Step 3: Cross multiply
    147,390.11x = 221,131.89 × 52,618.23
  4. Step 4: Simplify right side
    147,390.11x = 11,635,568,648.35
  5. Step 5: Solve for x
    x = 11,635,568,648.35/147,390.11
  6. Step 6: Final answer
    x = 78,944.03

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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.