Home / 168,222.15-252,322.28-89,380.80

Finding the Fourth Proportional to 168,222.15, 252,322.28 and 89,380.80

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Solution

The fourth proportional to 168,222.15, 252,322.28 and 89,380.80 is: 134,065.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,222.15 : 252,322.28 = 89,380.80 : x
  2. Step 2: Convert to fraction form
    168,222.15/252,322.28 = 89,380.80/x
  3. Step 3: Cross multiply
    168,222.15x = 252,322.28 × 89,380.80
  4. Step 4: Simplify right side
    168,222.15x = 22,552,767,244.22
  5. Step 5: Solve for x
    x = 22,552,767,244.22/168,222.15
  6. Step 6: Final answer
    x = 134,065.38

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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.