Home / 141,539.44-195,320.40-77,877.28

Finding the Fourth Proportional to 141,539.44, 195,320.40 and 77,877.28

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Solution

The fourth proportional to 141,539.44, 195,320.40 and 77,877.28 is: 107,468.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,539.44 : 195,320.40 = 77,877.28 : x
  2. Step 2: Convert to fraction form
    141,539.44/195,320.40 = 77,877.28/x
  3. Step 3: Cross multiply
    141,539.44x = 195,320.40 × 77,877.28
  4. Step 4: Simplify right side
    141,539.44x = 15,211,021,480.51
  5. Step 5: Solve for x
    x = 15,211,021,480.51/141,539.44
  6. Step 6: Final answer
    x = 107,468.43

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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.