Home / 99,847.08-149,729.04-40,642.56

Finding the Fourth Proportional to 99,847.08, 149,729.04 and 40,642.56

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Solution

The fourth proportional to 99,847.08, 149,729.04 and 40,642.56 is: 60,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,847.08 : 149,729.04 = 40,642.56 : x
  2. Step 2: Convert to fraction form
    99,847.08/149,729.04 = 40,642.56/x
  3. Step 3: Cross multiply
    99,847.08x = 149,729.04 × 40,642.56
  4. Step 4: Simplify right side
    99,847.08x = 6,085,371,491.94
  5. Step 5: Solve for x
    x = 6,085,371,491.94/99,847.08
  6. Step 6: Final answer
    x = 60,946.91

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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.