Home / 231,390.21-346,997.72-126,151.89

Finding the Fourth Proportional to 231,390.21, 346,997.72 and 126,151.89

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Solution

The fourth proportional to 231,390.21, 346,997.72 and 126,151.89 is: 189,180.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,390.21 : 346,997.72 = 126,151.89 : x
  2. Step 2: Convert to fraction form
    231,390.21/346,997.72 = 126,151.89/x
  3. Step 3: Cross multiply
    231,390.21x = 346,997.72 × 126,151.89
  4. Step 4: Simplify right side
    231,390.21x = 43,774,417,572.93
  5. Step 5: Solve for x
    x = 43,774,417,572.93/231,390.21
  6. Step 6: Final answer
    x = 189,180.08

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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.