Home / 104,947.20-144,847.80-73,097.64

Finding the Fourth Proportional to 104,947.20, 144,847.80 and 73,097.64

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Solution

The fourth proportional to 104,947.20, 144,847.80 and 73,097.64 is: 100,889.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,947.20 : 144,847.80 = 73,097.64 : x
  2. Step 2: Convert to fraction form
    104,947.20/144,847.80 = 73,097.64/x
  3. Step 3: Cross multiply
    104,947.20x = 144,847.80 × 73,097.64
  4. Step 4: Simplify right side
    104,947.20x = 10,588,032,339.19
  5. Step 5: Solve for x
    x = 10,588,032,339.19/104,947.20
  6. Step 6: Final answer
    x = 100,889.14

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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.