Home / 251,850.72-347,561.64-138,677.52

Finding the Fourth Proportional to 251,850.72, 347,561.64 and 138,677.52

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Solution

The fourth proportional to 251,850.72, 347,561.64 and 138,677.52 is: 191,379.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,850.72 : 347,561.64 = 138,677.52 : x
  2. Step 2: Convert to fraction form
    251,850.72/347,561.64 = 138,677.52/x
  3. Step 3: Cross multiply
    251,850.72x = 347,561.64 × 138,677.52
  4. Step 4: Simplify right side
    251,850.72x = 48,198,986,282.33
  5. Step 5: Solve for x
    x = 48,198,986,282.33/251,850.72
  6. Step 6: Final answer
    x = 191,379.19

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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.