Home / 117,721.05-162,454.21-64,006.08

Finding the Fourth Proportional to 117,721.05, 162,454.21 and 64,006.08

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Solution

The fourth proportional to 117,721.05, 162,454.21 and 64,006.08 is: 88,327.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,721.05 : 162,454.21 = 64,006.08 : x
  2. Step 2: Convert to fraction form
    117,721.05/162,454.21 = 64,006.08/x
  3. Step 3: Cross multiply
    117,721.05x = 162,454.21 × 64,006.08
  4. Step 4: Simplify right side
    117,721.05x = 10,398,057,161.60
  5. Step 5: Solve for x
    x = 10,398,057,161.60/117,721.05
  6. Step 6: Final answer
    x = 88,327.93

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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.