Home / 501,036.49-751,543.79-121,959.22

Finding the Fourth Proportional to 501,036.49, 751,543.79 and 121,959.22

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Solution

The fourth proportional to 501,036.49, 751,543.79 and 121,959.22 is: 182,936.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,036.49 : 751,543.79 = 121,959.22 : x
  2. Step 2: Convert to fraction form
    501,036.49/751,543.79 = 121,959.22/x
  3. Step 3: Cross multiply
    501,036.49x = 751,543.79 × 121,959.22
  4. Step 4: Simplify right side
    501,036.49x = 91,657,695,458.45
  5. Step 5: Solve for x
    x = 91,657,695,458.45/501,036.49
  6. Step 6: Final answer
    x = 182,936.17

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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.