Home / 117,869.88-162,663.88-64,158.36

Finding the Fourth Proportional to 117,869.88, 162,663.88 and 64,158.36

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Solution

The fourth proportional to 117,869.88, 162,663.88 and 64,158.36 is: 88,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,869.88 : 162,663.88 = 64,158.36 : x
  2. Step 2: Convert to fraction form
    117,869.88/162,663.88 = 64,158.36/x
  3. Step 3: Cross multiply
    117,869.88x = 162,663.88 × 64,158.36
  4. Step 4: Simplify right side
    117,869.88x = 10,436,247,772.04
  5. Step 5: Solve for x
    x = 10,436,247,772.04/117,869.88
  6. Step 6: Final answer
    x = 88,540.41

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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.