Home / 168,023.10-252,034.65-120,783.90

Finding the Fourth Proportional to 168,023.10, 252,034.65 and 120,783.90

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Solution

The fourth proportional to 168,023.10, 252,034.65 and 120,783.90 is: 181,175.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,023.10 : 252,034.65 = 120,783.90 : x
  2. Step 2: Convert to fraction form
    168,023.10/252,034.65 = 120,783.90/x
  3. Step 3: Cross multiply
    168,023.10x = 252,034.65 × 120,783.90
  4. Step 4: Simplify right side
    168,023.10x = 30,441,727,962.14
  5. Step 5: Solve for x
    x = 30,441,727,962.14/168,023.10
  6. Step 6: Final answer
    x = 181,175.85

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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.