Home / 251,343.90-346,845.78-138,165.84

Finding the Fourth Proportional to 251,343.90, 346,845.78 and 138,165.84

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Solution

The fourth proportional to 251,343.90, 346,845.78 and 138,165.84 is: 190,664.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,343.90 : 346,845.78 = 138,165.84 : x
  2. Step 2: Convert to fraction form
    251,343.90/346,845.78 = 138,165.84/x
  3. Step 3: Cross multiply
    251,343.90x = 346,845.78 × 138,165.84
  4. Step 4: Simplify right side
    251,343.90x = 47,922,238,544.16
  5. Step 5: Solve for x
    x = 47,922,238,544.16/251,343.90
  6. Step 6: Final answer
    x = 190,664.02

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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.