Home / 99,917.87-137,907.70-96,756.44

Finding the Fourth Proportional to 99,917.87, 137,907.70 and 96,756.44

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Solution

The fourth proportional to 99,917.87, 137,907.70 and 96,756.44 is: 133,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,917.87 : 137,907.70 = 96,756.44 : x
  2. Step 2: Convert to fraction form
    99,917.87/137,907.70 = 96,756.44/x
  3. Step 3: Cross multiply
    99,917.87x = 137,907.70 × 96,756.44
  4. Step 4: Simplify right side
    99,917.87x = 13,343,457,169.16
  5. Step 5: Solve for x
    x = 13,343,457,169.16/99,917.87
  6. Step 6: Final answer
    x = 133,544.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.