Home / 106,144.49-146,479.39-58,396.81

Finding the Fourth Proportional to 106,144.49, 146,479.39 and 58,396.81

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Solution

The fourth proportional to 106,144.49, 146,479.39 and 58,396.81 is: 80,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,144.49 : 146,479.39 = 58,396.81 : x
  2. Step 2: Convert to fraction form
    106,144.49/146,479.39 = 58,396.81/x
  3. Step 3: Cross multiply
    106,144.49x = 146,479.39 × 58,396.81
  4. Step 4: Simplify right side
    106,144.49x = 8,553,929,106.75
  5. Step 5: Solve for x
    x = 8,553,929,106.75/106,144.49
  6. Step 6: Final answer
    x = 80,587.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.