Home / 149,556-206,379.99-89,125.26

Finding the Fourth Proportional to 149,556, 206,379.99 and 89,125.26

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Solution

The fourth proportional to 149,556, 206,379.99 and 89,125.26 is: 122,988.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,556 : 206,379.99 = 89,125.26 : x
  2. Step 2: Convert to fraction form
    149,556/206,379.99 = 89,125.26/x
  3. Step 3: Cross multiply
    149,556x = 206,379.99 × 89,125.26
  4. Step 4: Simplify right side
    149,556x = 18,393,670,267.55
  5. Step 5: Solve for x
    x = 18,393,670,267.55/149,556
  6. Step 6: Final answer
    x = 122,988.51

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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.