Home / 119,258.92-164,451.22-100,125.51

Finding the Fourth Proportional to 119,258.92, 164,451.22 and 100,125.51

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Solution

The fourth proportional to 119,258.92, 164,451.22 and 100,125.51 is: 138,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,258.92 : 164,451.22 = 100,125.51 : x
  2. Step 2: Convert to fraction form
    119,258.92/164,451.22 = 100,125.51/x
  3. Step 3: Cross multiply
    119,258.92x = 164,451.22 × 100,125.51
  4. Step 4: Simplify right side
    119,258.92x = 16,465,762,272.62
  5. Step 5: Solve for x
    x = 16,465,762,272.62/119,258.92
  6. Step 6: Final answer
    x = 138,067.34

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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.