Home / 166,098.17-229,212.28-90,647.21

Finding the Fourth Proportional to 166,098.17, 229,212.28 and 90,647.21

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Solution

The fourth proportional to 166,098.17, 229,212.28 and 90,647.21 is: 125,091.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,098.17 : 229,212.28 = 90,647.21 : x
  2. Step 2: Convert to fraction form
    166,098.17/229,212.28 = 90,647.21/x
  3. Step 3: Cross multiply
    166,098.17x = 229,212.28 × 90,647.21
  4. Step 4: Simplify right side
    166,098.17x = 20,777,454,366.08
  5. Step 5: Solve for x
    x = 20,777,454,366.08/166,098.17
  6. Step 6: Final answer
    x = 125,091.41

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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.