Home / 232,867.78-321,392.28-142,276.12

Finding the Fourth Proportional to 232,867.78, 321,392.28 and 142,276.12

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Solution

The fourth proportional to 232,867.78, 321,392.28 and 142,276.12 is: 196,362.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,867.78 : 321,392.28 = 142,276.12 : x
  2. Step 2: Convert to fraction form
    232,867.78/321,392.28 = 142,276.12/x
  3. Step 3: Cross multiply
    232,867.78x = 321,392.28 × 142,276.12
  4. Step 4: Simplify right side
    232,867.78x = 45,726,446,596.35
  5. Step 5: Solve for x
    x = 45,726,446,596.35/232,867.78
  6. Step 6: Final answer
    x = 196,362.27

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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.