Home / 112,078.05-154,676.97-64,340.62

Finding the Fourth Proportional to 112,078.05, 154,676.97 and 64,340.62

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Solution

The fourth proportional to 112,078.05, 154,676.97 and 64,340.62 is: 88,795.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,078.05 : 154,676.97 = 64,340.62 : x
  2. Step 2: Convert to fraction form
    112,078.05/154,676.97 = 64,340.62/x
  3. Step 3: Cross multiply
    112,078.05x = 154,676.97 × 64,340.62
  4. Step 4: Simplify right side
    112,078.05x = 9,952,012,149.52
  5. Step 5: Solve for x
    x = 9,952,012,149.52/112,078.05
  6. Step 6: Final answer
    x = 88,795.37

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1.5x scale

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.