Home / 141,820.94-195,717.87-77,295.56

Finding the Fourth Proportional to 141,820.94, 195,717.87 and 77,295.56

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Solution

The fourth proportional to 141,820.94, 195,717.87 and 77,295.56 is: 106,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,820.94 : 195,717.87 = 77,295.56 : x
  2. Step 2: Convert to fraction form
    141,820.94/195,717.87 = 77,295.56/x
  3. Step 3: Cross multiply
    141,820.94x = 195,717.87 × 77,295.56
  4. Step 4: Simplify right side
    141,820.94x = 15,128,121,484.54
  5. Step 5: Solve for x
    x = 15,128,121,484.54/141,820.94
  6. Step 6: Final answer
    x = 106,670.58

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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.