Home / 99,745.84-149,535.96-40,609.36

Finding the Fourth Proportional to 99,745.84, 149,535.96 and 40,609.36

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Solution

The fourth proportional to 99,745.84, 149,535.96 and 40,609.36 is: 60,880.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,745.84 : 149,535.96 = 40,609.36 : x
  2. Step 2: Convert to fraction form
    99,745.84/149,535.96 = 40,609.36/x
  3. Step 3: Cross multiply
    99,745.84x = 149,535.96 × 40,609.36
  4. Step 4: Simplify right side
    99,745.84x = 6,072,559,632.59
  5. Step 5: Solve for x
    x = 6,072,559,632.59/99,745.84
  6. Step 6: Final answer
    x = 60,880.33

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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.