Home / 166,030.16-229,120.85-90,578.66

Finding the Fourth Proportional to 166,030.16, 229,120.85 and 90,578.66

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Solution

The fourth proportional to 166,030.16, 229,120.85 and 90,578.66 is: 124,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,030.16 : 229,120.85 = 90,578.66 : x
  2. Step 2: Convert to fraction form
    166,030.16/229,120.85 = 90,578.66/x
  3. Step 3: Cross multiply
    166,030.16x = 229,120.85 × 90,578.66
  4. Step 4: Simplify right side
    166,030.16x = 20,753,458,651.90
  5. Step 5: Solve for x
    x = 20,753,458,651.90/166,030.16
  6. Step 6: Final answer
    x = 124,998.13

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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.