Home / 129,148.47-178,273.23-96,976.02

Finding the Fourth Proportional to 129,148.47, 178,273.23 and 96,976.02

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Solution

The fourth proportional to 129,148.47, 178,273.23 and 96,976.02 is: 133,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,148.47 : 178,273.23 = 96,976.02 : x
  2. Step 2: Convert to fraction form
    129,148.47/178,273.23 = 96,976.02/x
  3. Step 3: Cross multiply
    129,148.47x = 178,273.23 × 96,976.02
  4. Step 4: Simplify right side
    129,148.47x = 17,288,228,317.94
  5. Step 5: Solve for x
    x = 17,288,228,317.94/129,148.47
  6. Step 6: Final answer
    x = 133,863.21

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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.