Home / 118,796.45-178,221.28-39,908.53

Finding the Fourth Proportional to 118,796.45, 178,221.28 and 39,908.53

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Solution

The fourth proportional to 118,796.45, 178,221.28 and 39,908.53 is: 59,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,796.45 : 178,221.28 = 39,908.53 : x
  2. Step 2: Convert to fraction form
    118,796.45/178,221.28 = 39,908.53/x
  3. Step 3: Cross multiply
    118,796.45x = 178,221.28 × 39,908.53
  4. Step 4: Simplify right side
    118,796.45x = 7,112,548,754.19
  5. Step 5: Solve for x
    x = 7,112,548,754.19/118,796.45
  6. Step 6: Final answer
    x = 59,871.73

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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.