Home / 172,974.88-238,581.49-112,432.60

Finding the Fourth Proportional to 172,974.88, 238,581.49 and 112,432.60

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Solution

The fourth proportional to 172,974.88, 238,581.49 and 112,432.60 is: 155,076.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,974.88 : 238,581.49 = 112,432.60 : x
  2. Step 2: Convert to fraction form
    172,974.88/238,581.49 = 112,432.60/x
  3. Step 3: Cross multiply
    172,974.88x = 238,581.49 × 112,432.60
  4. Step 4: Simplify right side
    172,974.88x = 26,824,335,758.59
  5. Step 5: Solve for x
    x = 26,824,335,758.59/172,974.88
  6. Step 6: Final answer
    x = 155,076.49

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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.