Home / 223,136.82-307,923.60-121,162.53

Finding the Fourth Proportional to 223,136.82, 307,923.60 and 121,162.53

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Solution

The fourth proportional to 223,136.82, 307,923.60 and 121,162.53 is: 167,201.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,136.82 : 307,923.60 = 121,162.53 : x
  2. Step 2: Convert to fraction form
    223,136.82/307,923.60 = 121,162.53/x
  3. Step 3: Cross multiply
    223,136.82x = 307,923.60 × 121,162.53
  4. Step 4: Simplify right side
    223,136.82x = 37,308,802,422.71
  5. Step 5: Solve for x
    x = 37,308,802,422.71/223,136.82
  6. Step 6: Final answer
    x = 167,201.46

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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.