Home / 141,893.02-195,808.62-78,229.18

Finding the Fourth Proportional to 141,893.02, 195,808.62 and 78,229.18

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Solution

The fourth proportional to 141,893.02, 195,808.62 and 78,229.18 is: 107,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,893.02 : 195,808.62 = 78,229.18 : x
  2. Step 2: Convert to fraction form
    141,893.02/195,808.62 = 78,229.18/x
  3. Step 3: Cross multiply
    141,893.02x = 195,808.62 × 78,229.18
  4. Step 4: Simplify right side
    141,893.02x = 15,317,947,779.53
  5. Step 5: Solve for x
    x = 15,317,947,779.53/141,893.02
  6. Step 6: Final answer
    x = 107,954.20

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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.