Home / 99,040.28-148,604.15-39,991.28

Finding the Fourth Proportional to 99,040.28, 148,604.15 and 39,991.28

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Solution

The fourth proportional to 99,040.28, 148,604.15 and 39,991.28 is: 60,004.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,040.28 : 148,604.15 = 39,991.28 : x
  2. Step 2: Convert to fraction form
    99,040.28/148,604.15 = 39,991.28/x
  3. Step 3: Cross multiply
    99,040.28x = 148,604.15 × 39,991.28
  4. Step 4: Simplify right side
    99,040.28x = 5,942,869,528.77
  5. Step 5: Solve for x
    x = 5,942,869,528.77/99,040.28
  6. Step 6: Final answer
    x = 60,004.57

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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.