Home / 232,919.57-321,421.51-130,949.32

Finding the Fourth Proportional to 232,919.57, 321,421.51 and 130,949.32

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Solution

The fourth proportional to 232,919.57, 321,421.51 and 130,949.32 is: 180,705.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,919.57 : 321,421.51 = 130,949.32 : x
  2. Step 2: Convert to fraction form
    232,919.57/321,421.51 = 130,949.32/x
  3. Step 3: Cross multiply
    232,919.57x = 321,421.51 × 130,949.32
  4. Step 4: Simplify right side
    232,919.57x = 42,089,925,906.02
  5. Step 5: Solve for x
    x = 42,089,925,906.02/232,919.57
  6. Step 6: Final answer
    x = 180,705.84

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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.