Home / 103,214.42-154,772.82-40,064.79

Finding the Fourth Proportional to 103,214.42, 154,772.82 and 40,064.79

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Solution

The fourth proportional to 103,214.42, 154,772.82 and 40,064.79 is: 60,078.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,214.42 : 154,772.82 = 40,064.79 : x
  2. Step 2: Convert to fraction form
    103,214.42/154,772.82 = 40,064.79/x
  3. Step 3: Cross multiply
    103,214.42x = 154,772.82 × 40,064.79
  4. Step 4: Simplify right side
    103,214.42x = 6,200,940,531.01
  5. Step 5: Solve for x
    x = 6,200,940,531.01/103,214.42
  6. Step 6: Final answer
    x = 60,078.24

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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.