Home / 251,287.11-346,777.34-138,117.15

Finding the Fourth Proportional to 251,287.11, 346,777.34 and 138,117.15

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Solution

The fourth proportional to 251,287.11, 346,777.34 and 138,117.15 is: 190,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,287.11 : 346,777.34 = 138,117.15 : x
  2. Step 2: Convert to fraction form
    251,287.11/346,777.34 = 138,117.15/x
  3. Step 3: Cross multiply
    251,287.11x = 346,777.34 × 138,117.15
  4. Step 4: Simplify right side
    251,287.11x = 47,895,897,194.80
  5. Step 5: Solve for x
    x = 47,895,897,194.80/251,287.11
  6. Step 6: Final answer
    x = 190,602.28

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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.