Home / 149,239.92-223,806.12-49,381.68

Finding the Fourth Proportional to 149,239.92, 223,806.12 and 49,381.68

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Solution

The fourth proportional to 149,239.92, 223,806.12 and 49,381.68 is: 74,054.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,239.92 : 223,806.12 = 49,381.68 : x
  2. Step 2: Convert to fraction form
    149,239.92/223,806.12 = 49,381.68/x
  3. Step 3: Cross multiply
    149,239.92x = 223,806.12 × 49,381.68
  4. Step 4: Simplify right side
    149,239.92x = 11,051,922,199.88
  5. Step 5: Solve for x
    x = 11,051,922,199.88/149,239.92
  6. Step 6: Final answer
    x = 74,054.73

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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.