Home / 232,678.60-321,131.18-142,087.08

Finding the Fourth Proportional to 232,678.60, 321,131.18 and 142,087.08

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Solution

The fourth proportional to 232,678.60, 321,131.18 and 142,087.08 is: 196,101.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,678.60 : 321,131.18 = 142,087.08 : x
  2. Step 2: Convert to fraction form
    232,678.60/321,131.18 = 142,087.08/x
  3. Step 3: Cross multiply
    232,678.60x = 321,131.18 × 142,087.08
  4. Step 4: Simplify right side
    232,678.60x = 45,628,591,663.15
  5. Step 5: Solve for x
    x = 45,628,591,663.15/232,678.60
  6. Step 6: Final answer
    x = 196,101.37

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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.