Home / 110,782.56-166,172.54-75,155.61

Finding the Fourth Proportional to 110,782.56, 166,172.54 and 75,155.61

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Solution

The fourth proportional to 110,782.56, 166,172.54 and 75,155.61 is: 112,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,782.56 : 166,172.54 = 75,155.61 : x
  2. Step 2: Convert to fraction form
    110,782.56/166,172.54 = 75,155.61/x
  3. Step 3: Cross multiply
    110,782.56x = 166,172.54 × 75,155.61
  4. Step 4: Simplify right side
    110,782.56x = 12,488,798,233.17
  5. Step 5: Solve for x
    x = 12,488,798,233.17/110,782.56
  6. Step 6: Final answer
    x = 112,732.53

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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.