Home / 96,135.64-131,961.11-85,288.12

Finding the Fourth Proportional to 96,135.64, 131,961.11 and 85,288.12

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Solution

The fourth proportional to 96,135.64, 131,961.11 and 85,288.12 is: 117,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,135.64 : 131,961.11 = 85,288.12 : x
  2. Step 2: Convert to fraction form
    96,135.64/131,961.11 = 85,288.12/x
  3. Step 3: Cross multiply
    96,135.64x = 131,961.11 × 85,288.12
  4. Step 4: Simplify right side
    96,135.64x = 11,254,714,985.01
  5. Step 5: Solve for x
    x = 11,254,714,985.01/96,135.64
  6. Step 6: Final answer
    x = 117,071.20

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.