Home / 99,104.64-136,761.17-55,497.21

Finding the Fourth Proportional to 99,104.64, 136,761.17 and 55,497.21

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Solution

The fourth proportional to 99,104.64, 136,761.17 and 55,497.21 is: 76,584.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,104.64 : 136,761.17 = 55,497.21 : x
  2. Step 2: Convert to fraction form
    99,104.64/136,761.17 = 55,497.21/x
  3. Step 3: Cross multiply
    99,104.64x = 136,761.17 × 55,497.21
  4. Step 4: Simplify right side
    99,104.64x = 7,589,863,371.34
  5. Step 5: Solve for x
    x = 7,589,863,371.34/99,104.64
  6. Step 6: Final answer
    x = 76,584.34

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1.5x scale

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.