Home / 102,723.33-153,821.91-71,089.59

Finding the Fourth Proportional to 102,723.33, 153,821.91 and 71,089.59

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Solution

The fourth proportional to 102,723.33, 153,821.91 and 71,089.59 is: 106,452.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,723.33 : 153,821.91 = 71,089.59 : x
  2. Step 2: Convert to fraction form
    102,723.33/153,821.91 = 71,089.59/x
  3. Step 3: Cross multiply
    102,723.33x = 153,821.91 × 71,089.59
  4. Step 4: Simplify right side
    102,723.33x = 10,935,136,514.92
  5. Step 5: Solve for x
    x = 10,935,136,514.92/102,723.33
  6. Step 6: Final answer
    x = 106,452.32

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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.