Home / 166,854.39-230,257.66-90,371.71

Finding the Fourth Proportional to 166,854.39, 230,257.66 and 90,371.71

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Solution

The fourth proportional to 166,854.39, 230,257.66 and 90,371.71 is: 124,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,854.39 : 230,257.66 = 90,371.71 : x
  2. Step 2: Convert to fraction form
    166,854.39/230,257.66 = 90,371.71/x
  3. Step 3: Cross multiply
    166,854.39x = 230,257.66 × 90,371.71
  4. Step 4: Simplify right side
    166,854.39x = 20,808,778,474.80
  5. Step 5: Solve for x
    x = 20,808,778,474.80/166,854.39
  6. Step 6: Final answer
    x = 124,712.20

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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.