Home / 141,690.12-195,506.64-85,102.44

Finding the Fourth Proportional to 141,690.12, 195,506.64 and 85,102.44

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Solution

The fourth proportional to 141,690.12, 195,506.64 and 85,102.44 is: 117,425.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,690.12 : 195,506.64 = 85,102.44 : x
  2. Step 2: Convert to fraction form
    141,690.12/195,506.64 = 85,102.44/x
  3. Step 3: Cross multiply
    141,690.12x = 195,506.64 × 85,102.44
  4. Step 4: Simplify right side
    141,690.12x = 16,638,092,100.20
  5. Step 5: Solve for x
    x = 16,638,092,100.20/141,690.12
  6. Step 6: Final answer
    x = 117,425.92

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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.