Home / 104,111.64-156,816-96,811.92

Finding the Fourth Proportional to 104,111.64, 156,816 and 96,811.92

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Solution

The fourth proportional to 104,111.64, 156,816 and 96,811.92 is: 145,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,111.64 : 156,816 = 96,811.92 : x
  2. Step 2: Convert to fraction form
    104,111.64/156,816 = 96,811.92/x
  3. Step 3: Cross multiply
    104,111.64x = 156,816 × 96,811.92
  4. Step 4: Simplify right side
    104,111.64x = 15,181,658,046.72
  5. Step 5: Solve for x
    x = 15,181,658,046.72/104,111.64
  6. Step 6: Final answer
    x = 145,820.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.