Home / 145,974.40-218,942.77-46,144.69

Finding the Fourth Proportional to 145,974.40, 218,942.77 and 46,144.69

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Solution

The fourth proportional to 145,974.40, 218,942.77 and 46,144.69 is: 69,211.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,974.40 : 218,942.77 = 46,144.69 : x
  2. Step 2: Convert to fraction form
    145,974.40/218,942.77 = 46,144.69/x
  3. Step 3: Cross multiply
    145,974.40x = 218,942.77 × 46,144.69
  4. Step 4: Simplify right side
    145,974.40x = 10,103,046,249.39
  5. Step 5: Solve for x
    x = 10,103,046,249.39/145,974.40
  6. Step 6: Final answer
    x = 69,211.08

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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.