Home / 117,821.36-162,594.18-64,106.78

Finding the Fourth Proportional to 117,821.36, 162,594.18 and 64,106.78

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Solution

The fourth proportional to 117,821.36, 162,594.18 and 64,106.78 is: 88,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,821.36 : 162,594.18 = 64,106.78 : x
  2. Step 2: Convert to fraction form
    117,821.36/162,594.18 = 64,106.78/x
  3. Step 3: Cross multiply
    117,821.36x = 162,594.18 × 64,106.78
  4. Step 4: Simplify right side
    117,821.36x = 10,423,389,326.54
  5. Step 5: Solve for x
    x = 10,423,389,326.54/117,821.36
  6. Step 6: Final answer
    x = 88,467.74

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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.