Home / 251,918.92-347,663.82-138,741.64

Finding the Fourth Proportional to 251,918.92, 347,663.82 and 138,741.64

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Solution

The fourth proportional to 251,918.92, 347,663.82 and 138,741.64 is: 191,472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,918.92 : 347,663.82 = 138,741.64 : x
  2. Step 2: Convert to fraction form
    251,918.92/347,663.82 = 138,741.64/x
  3. Step 3: Cross multiply
    251,918.92x = 347,663.82 × 138,741.64
  4. Step 4: Simplify right side
    251,918.92x = 48,235,448,555.46
  5. Step 5: Solve for x
    x = 48,235,448,555.46/251,918.92
  6. Step 6: Final answer
    x = 191,472.12

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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.