Home / 121,327.61-181,991.87-37,087.45

Finding the Fourth Proportional to 121,327.61, 181,991.87 and 37,087.45

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Solution

The fourth proportional to 121,327.61, 181,991.87 and 37,087.45 is: 55,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,327.61 : 181,991.87 = 37,087.45 : x
  2. Step 2: Convert to fraction form
    121,327.61/181,991.87 = 37,087.45/x
  3. Step 3: Cross multiply
    121,327.61x = 181,991.87 × 37,087.45
  4. Step 4: Simplify right side
    121,327.61x = 6,749,613,773.38
  5. Step 5: Solve for x
    x = 6,749,613,773.38/121,327.61
  6. Step 6: Final answer
    x = 55,631.31

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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.