Home / 141,453.47-195,201.87-77,791.26

Finding the Fourth Proportional to 141,453.47, 195,201.87 and 77,791.26

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Solution

The fourth proportional to 141,453.47, 195,201.87 and 77,791.26 is: 107,349.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,453.47 : 195,201.87 = 77,791.26 : x
  2. Step 2: Convert to fraction form
    141,453.47/195,201.87 = 77,791.26/x
  3. Step 3: Cross multiply
    141,453.47x = 195,201.87 × 77,791.26
  4. Step 4: Simplify right side
    141,453.47x = 15,184,999,421.66
  5. Step 5: Solve for x
    x = 15,184,999,421.66/141,453.47
  6. Step 6: Final answer
    x = 107,349.79

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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.