Home / 266,106.36-367,217.66-158,621

Finding the Fourth Proportional to 266,106.36, 367,217.66 and 158,621

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Solution

The fourth proportional to 266,106.36, 367,217.66 and 158,621 is: 218,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,106.36 : 367,217.66 = 158,621 : x
  2. Step 2: Convert to fraction form
    266,106.36/367,217.66 = 158,621/x
  3. Step 3: Cross multiply
    266,106.36x = 367,217.66 × 158,621
  4. Step 4: Simplify right side
    266,106.36x = 58,248,432,446.86
  5. Step 5: Solve for x
    x = 58,248,432,446.86/266,106.36
  6. Step 6: Final answer
    x = 218,891.55

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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.