Home / 251,397.28-346,934.37-138,220.03

Finding the Fourth Proportional to 251,397.28, 346,934.37 and 138,220.03

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Solution

The fourth proportional to 251,397.28, 346,934.37 and 138,220.03 is: 190,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,397.28 : 346,934.37 = 138,220.03 : x
  2. Step 2: Convert to fraction form
    251,397.28/346,934.37 = 138,220.03/x
  3. Step 3: Cross multiply
    251,397.28x = 346,934.37 × 138,220.03
  4. Step 4: Simplify right side
    251,397.28x = 47,953,279,029.43
  5. Step 5: Solve for x
    x = 47,953,279,029.43/251,397.28
  6. Step 6: Final answer
    x = 190,747.01

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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.