Home / 221,314.60-332,015.10-88,172.20

Finding the Fourth Proportional to 221,314.60, 332,015.10 and 88,172.20

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Solution

The fourth proportional to 221,314.60, 332,015.10 and 88,172.20 is: 132,275.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,314.60 : 332,015.10 = 88,172.20 : x
  2. Step 2: Convert to fraction form
    221,314.60/332,015.10 = 88,172.20/x
  3. Step 3: Cross multiply
    221,314.60x = 332,015.10 × 88,172.20
  4. Step 4: Simplify right side
    221,314.60x = 29,274,501,800.22
  5. Step 5: Solve for x
    x = 29,274,501,800.22/221,314.60
  6. Step 6: Final answer
    x = 132,275.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.