Home / 99,664.53-149,555.72-40,495.65

Finding the Fourth Proportional to 99,664.53, 149,555.72 and 40,495.65

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Solution

The fourth proportional to 99,664.53, 149,555.72 and 40,495.65 is: 60,767.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,664.53 : 149,555.72 = 40,495.65 : x
  2. Step 2: Convert to fraction form
    99,664.53/149,555.72 = 40,495.65/x
  3. Step 3: Cross multiply
    99,664.53x = 149,555.72 × 40,495.65
  4. Step 4: Simplify right side
    99,664.53x = 6,056,355,890.14
  5. Step 5: Solve for x
    x = 6,056,355,890.14/99,664.53
  6. Step 6: Final answer
    x = 60,767.42

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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.