Home / 166,614.17-229,926.87-90,133.09

Finding the Fourth Proportional to 166,614.17, 229,926.87 and 90,133.09

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Solution

The fourth proportional to 166,614.17, 229,926.87 and 90,133.09 is: 124,383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,614.17 : 229,926.87 = 90,133.09 : x
  2. Step 2: Convert to fraction form
    166,614.17/229,926.87 = 90,133.09/x
  3. Step 3: Cross multiply
    166,614.17x = 229,926.87 × 90,133.09
  4. Step 4: Simplify right side
    166,614.17x = 20,724,018,692.31
  5. Step 5: Solve for x
    x = 20,724,018,692.31/166,614.17
  6. Step 6: Final answer
    x = 124,383.29

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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.