Home / 117,700.36-162,499.17-80,969.29

Finding the Fourth Proportional to 117,700.36, 162,499.17 and 80,969.29

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Solution

The fourth proportional to 117,700.36, 162,499.17 and 80,969.29 is: 111,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,700.36 : 162,499.17 = 80,969.29 : x
  2. Step 2: Convert to fraction form
    117,700.36/162,499.17 = 80,969.29/x
  3. Step 3: Cross multiply
    117,700.36x = 162,499.17 × 80,969.29
  4. Step 4: Simplify right side
    117,700.36x = 13,157,442,420.49
  5. Step 5: Solve for x
    x = 13,157,442,420.49/117,700.36
  6. Step 6: Final answer
    x = 111,787.61

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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.