Home / 172,878.39-238,550.52-96,378.75

Finding the Fourth Proportional to 172,878.39, 238,550.52 and 96,378.75

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Solution

The fourth proportional to 172,878.39, 238,550.52 and 96,378.75 is: 132,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,878.39 : 238,550.52 = 96,378.75 : x
  2. Step 2: Convert to fraction form
    172,878.39/238,550.52 = 96,378.75/x
  3. Step 3: Cross multiply
    172,878.39x = 238,550.52 × 96,378.75
  4. Step 4: Simplify right side
    172,878.39x = 22,991,200,929.45
  5. Step 5: Solve for x
    x = 22,991,200,929.45/172,878.39
  6. Step 6: Final answer
    x = 132,990.60

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1.5x scale

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.