Home / 99,217.47-148,670.67-84,365.31

Finding the Fourth Proportional to 99,217.47, 148,670.67 and 84,365.31

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Solution

The fourth proportional to 99,217.47, 148,670.67 and 84,365.31 is: 126,415.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,217.47 : 148,670.67 = 84,365.31 : x
  2. Step 2: Convert to fraction form
    99,217.47/148,670.67 = 84,365.31/x
  3. Step 3: Cross multiply
    99,217.47x = 148,670.67 × 84,365.31
  4. Step 4: Simplify right side
    99,217.47x = 12,542,647,162.46
  5. Step 5: Solve for x
    x = 12,542,647,162.46/99,217.47
  6. Step 6: Final answer
    x = 126,415.71

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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.