Home / 251,366.22-346,876.56-138,188.16

Finding the Fourth Proportional to 251,366.22, 346,876.56 and 138,188.16

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Solution

The fourth proportional to 251,366.22, 346,876.56 and 138,188.16 is: 190,694.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,366.22 : 346,876.56 = 138,188.16 : x
  2. Step 2: Convert to fraction form
    251,366.22/346,876.56 = 138,188.16/x
  3. Step 3: Cross multiply
    251,366.22x = 346,876.56 × 138,188.16
  4. Step 4: Simplify right side
    251,366.22x = 47,934,233,573.53
  5. Step 5: Solve for x
    x = 47,934,233,573.53/251,366.22
  6. Step 6: Final answer
    x = 190,694.81

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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.