Home / 149,218.29-223,820.10-55,716.75

Finding the Fourth Proportional to 149,218.29, 223,820.10 and 55,716.75

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Solution

The fourth proportional to 149,218.29, 223,820.10 and 55,716.75 is: 83,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,218.29 : 223,820.10 = 55,716.75 : x
  2. Step 2: Convert to fraction form
    149,218.29/223,820.10 = 55,716.75/x
  3. Step 3: Cross multiply
    149,218.29x = 223,820.10 × 55,716.75
  4. Step 4: Simplify right side
    149,218.29x = 12,470,528,556.68
  5. Step 5: Solve for x
    x = 12,470,528,556.68/149,218.29
  6. Step 6: Final answer
    x = 83,572.39

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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.