Home / 251,111.82-346,536.70-137,934.56

Finding the Fourth Proportional to 251,111.82, 346,536.70 and 137,934.56

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Solution

The fourth proportional to 251,111.82, 346,536.70 and 137,934.56 is: 190,351.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,111.82 : 346,536.70 = 137,934.56 : x
  2. Step 2: Convert to fraction form
    251,111.82/346,536.70 = 137,934.56/x
  3. Step 3: Cross multiply
    251,111.82x = 346,536.70 × 137,934.56
  4. Step 4: Simplify right side
    251,111.82x = 47,799,387,238.35
  5. Step 5: Solve for x
    x = 47,799,387,238.35/251,111.82
  6. Step 6: Final answer
    x = 190,351.00

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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.