Home / 111,387.12-167,025.39-35,475.78

Finding the Fourth Proportional to 111,387.12, 167,025.39 and 35,475.78

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Solution

The fourth proportional to 111,387.12, 167,025.39 and 35,475.78 is: 53,196.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,387.12 : 167,025.39 = 35,475.78 : x
  2. Step 2: Convert to fraction form
    111,387.12/167,025.39 = 35,475.78/x
  3. Step 3: Cross multiply
    111,387.12x = 167,025.39 × 35,475.78
  4. Step 4: Simplify right side
    111,387.12x = 5,925,355,990.05
  5. Step 5: Solve for x
    x = 5,925,355,990.05/111,387.12
  6. Step 6: Final answer
    x = 53,196.06

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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.