Home / 131,704.20-181,749.96-75,116.52

Finding the Fourth Proportional to 131,704.20, 181,749.96 and 75,116.52

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Solution

The fourth proportional to 131,704.20, 181,749.96 and 75,116.52 is: 103,659.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,704.20 : 181,749.96 = 75,116.52 : x
  2. Step 2: Convert to fraction form
    131,704.20/181,749.96 = 75,116.52/x
  3. Step 3: Cross multiply
    131,704.20x = 181,749.96 × 75,116.52
  4. Step 4: Simplify right side
    131,704.20x = 13,652,424,505.34
  5. Step 5: Solve for x
    x = 13,652,424,505.34/131,704.20
  6. Step 6: Final answer
    x = 103,659.75

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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.