Home / 99,419.63-149,162.24-40,223.00

Finding the Fourth Proportional to 99,419.63, 149,162.24 and 40,223.00

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Solution

The fourth proportional to 99,419.63, 149,162.24 and 40,223.00 is: 60,347.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,419.63 : 149,162.24 = 40,223.00 : x
  2. Step 2: Convert to fraction form
    99,419.63/149,162.24 = 40,223.00/x
  3. Step 3: Cross multiply
    99,419.63x = 149,162.24 × 40,223.00
  4. Step 4: Simplify right side
    99,419.63x = 5,999,753,252.98
  5. Step 5: Solve for x
    x = 5,999,753,252.98/99,419.63
  6. Step 6: Final answer
    x = 60,347.78

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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.