Home / 99,969.77-149,954.61-40,025.21

Finding the Fourth Proportional to 99,969.77, 149,954.61 and 40,025.21

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Solution

The fourth proportional to 99,969.77, 149,954.61 and 40,025.21 is: 60,037.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,969.77 : 149,954.61 = 40,025.21 : x
  2. Step 2: Convert to fraction form
    99,969.77/149,954.61 = 40,025.21/x
  3. Step 3: Cross multiply
    99,969.77x = 149,954.61 × 40,025.21
  4. Step 4: Simplify right side
    99,969.77x = 6,001,964,005.95
  5. Step 5: Solve for x
    x = 6,001,964,005.95/99,969.77
  6. Step 6: Final answer
    x = 60,037.79

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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.