Home / 117,717.65-162,453.62-64,006.34

Finding the Fourth Proportional to 117,717.65, 162,453.62 and 64,006.34

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Solution

The fourth proportional to 117,717.65, 162,453.62 and 64,006.34 is: 88,330.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,717.65 : 162,453.62 = 64,006.34 : x
  2. Step 2: Convert to fraction form
    117,717.65/162,453.62 = 64,006.34/x
  3. Step 3: Cross multiply
    117,717.65x = 162,453.62 × 64,006.34
  4. Step 4: Simplify right side
    117,717.65x = 10,398,062,202.10
  5. Step 5: Solve for x
    x = 10,398,062,202.10/117,717.65
  6. Step 6: Final answer
    x = 88,330.53

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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.