Home / 205,147.04-307,719.18-110,421.86

Finding the Fourth Proportional to 205,147.04, 307,719.18 and 110,421.86

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Solution

The fourth proportional to 205,147.04, 307,719.18 and 110,421.86 is: 165,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,147.04 : 307,719.18 = 110,421.86 : x
  2. Step 2: Convert to fraction form
    205,147.04/307,719.18 = 110,421.86/x
  3. Step 3: Cross multiply
    205,147.04x = 307,719.18 × 110,421.86
  4. Step 4: Simplify right side
    205,147.04x = 33,978,924,213.27
  5. Step 5: Solve for x
    x = 33,978,924,213.27/205,147.04
  6. Step 6: Final answer
    x = 165,632.05

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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.