Home / 251,388.14-346,906.77-138,210.02

Finding the Fourth Proportional to 251,388.14, 346,906.77 and 138,210.02

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Solution

The fourth proportional to 251,388.14, 346,906.77 and 138,210.02 is: 190,724.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,388.14 : 346,906.77 = 138,210.02 : x
  2. Step 2: Convert to fraction form
    251,388.14/346,906.77 = 138,210.02/x
  3. Step 3: Cross multiply
    251,388.14x = 346,906.77 × 138,210.02
  4. Step 4: Simplify right side
    251,388.14x = 47,945,991,619.84
  5. Step 5: Solve for x
    x = 47,945,991,619.84/251,388.14
  6. Step 6: Final answer
    x = 190,724.95

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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.