Home / 115,535.60-159,353.76-73,053.20

Finding the Fourth Proportional to 115,535.60, 159,353.76 and 73,053.20

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Solution

The fourth proportional to 115,535.60, 159,353.76 and 73,053.20 is: 100,759.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,535.60 : 159,353.76 = 73,053.20 : x
  2. Step 2: Convert to fraction form
    115,535.60/159,353.76 = 73,053.20/x
  3. Step 3: Cross multiply
    115,535.60x = 159,353.76 × 73,053.20
  4. Step 4: Simplify right side
    115,535.60x = 11,641,302,100.03
  5. Step 5: Solve for x
    x = 11,641,302,100.03/115,535.60
  6. Step 6: Final answer
    x = 100,759.44

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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.