Home / 501,006.06-751,509.54-121,926.78

Finding the Fourth Proportional to 501,006.06, 751,509.54 and 121,926.78

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Solution

The fourth proportional to 501,006.06, 751,509.54 and 121,926.78 is: 182,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,006.06 : 751,509.54 = 121,926.78 : x
  2. Step 2: Convert to fraction form
    501,006.06/751,509.54 = 121,926.78/x
  3. Step 3: Cross multiply
    501,006.06x = 751,509.54 × 121,926.78
  4. Step 4: Simplify right side
    501,006.06x = 91,629,138,351.48
  5. Step 5: Solve for x
    x = 91,629,138,351.48/501,006.06
  6. Step 6: Final answer
    x = 182,890.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.