Home / 234,421.12-323,500.35-126,991.03

Finding the Fourth Proportional to 234,421.12, 323,500.35 and 126,991.03

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Solution

The fourth proportional to 234,421.12, 323,500.35 and 126,991.03 is: 175,247.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,421.12 : 323,500.35 = 126,991.03 : x
  2. Step 2: Convert to fraction form
    234,421.12/323,500.35 = 126,991.03/x
  3. Step 3: Cross multiply
    234,421.12x = 323,500.35 × 126,991.03
  4. Step 4: Simplify right side
    234,421.12x = 41,081,642,651.86
  5. Step 5: Solve for x
    x = 41,081,642,651.86/234,421.12
  6. Step 6: Final answer
    x = 175,247.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.