Home / 117,288.52-161,604.66-79,497.16

Finding the Fourth Proportional to 117,288.52, 161,604.66 and 79,497.16

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Solution

The fourth proportional to 117,288.52, 161,604.66 and 79,497.16 is: 109,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,288.52 : 161,604.66 = 79,497.16 : x
  2. Step 2: Convert to fraction form
    117,288.52/161,604.66 = 79,497.16/x
  3. Step 3: Cross multiply
    117,288.52x = 161,604.66 × 79,497.16
  4. Step 4: Simplify right side
    117,288.52x = 12,847,111,512.77
  5. Step 5: Solve for x
    x = 12,847,111,512.77/117,288.52
  6. Step 6: Final answer
    x = 109,534.26

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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.