Home / 166,253.40-229,427.10-90,800.28

Finding the Fourth Proportional to 166,253.40, 229,427.10 and 90,800.28

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Solution

The fourth proportional to 166,253.40, 229,427.10 and 90,800.28 is: 125,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,253.40 : 229,427.10 = 90,800.28 : x
  2. Step 2: Convert to fraction form
    166,253.40/229,427.10 = 90,800.28/x
  3. Step 3: Cross multiply
    166,253.40x = 229,427.10 × 90,800.28
  4. Step 4: Simplify right side
    166,253.40x = 20,832,044,919.59
  5. Step 5: Solve for x
    x = 20,832,044,919.59/166,253.40
  6. Step 6: Final answer
    x = 125,302.97

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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.