Home / 143,247.91-214,668.10-105,511.23

Finding the Fourth Proportional to 143,247.91, 214,668.10 and 105,511.23

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Solution

The fourth proportional to 143,247.91, 214,668.10 and 105,511.23 is: 158,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,247.91 : 214,668.10 = 105,511.23 : x
  2. Step 2: Convert to fraction form
    143,247.91/214,668.10 = 105,511.23/x
  3. Step 3: Cross multiply
    143,247.91x = 214,668.10 × 105,511.23
  4. Step 4: Simplify right side
    143,247.91x = 22,649,895,272.76
  5. Step 5: Solve for x
    x = 22,649,895,272.76/143,247.91
  6. Step 6: Final answer
    x = 158,116.76

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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.