Home / 99,821.14-149,562.60-60,295.22

Finding the Fourth Proportional to 99,821.14, 149,562.60 and 60,295.22

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Solution

The fourth proportional to 99,821.14, 149,562.60 and 60,295.22 is: 90,340.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,821.14 : 149,562.60 = 60,295.22 : x
  2. Step 2: Convert to fraction form
    99,821.14/149,562.60 = 60,295.22/x
  3. Step 3: Cross multiply
    99,821.14x = 149,562.60 × 60,295.22
  4. Step 4: Simplify right side
    99,821.14x = 9,017,909,796.87
  5. Step 5: Solve for x
    x = 9,017,909,796.87/99,821.14
  6. Step 6: Final answer
    x = 90,340.68

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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.