Home / 141,361.52-195,079.32-77,705.84

Finding the Fourth Proportional to 141,361.52, 195,079.32 and 77,705.84

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Solution

The fourth proportional to 141,361.52, 195,079.32 and 77,705.84 is: 107,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,361.52 : 195,079.32 = 77,705.84 : x
  2. Step 2: Convert to fraction form
    141,361.52/195,079.32 = 77,705.84/x
  3. Step 3: Cross multiply
    141,361.52x = 195,079.32 × 77,705.84
  4. Step 4: Simplify right side
    141,361.52x = 15,158,802,427.23
  5. Step 5: Solve for x
    x = 15,158,802,427.23/141,361.52
  6. Step 6: Final answer
    x = 107,234.29

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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.