Home / 166,495.36-229,768.32-91,045.12

Finding the Fourth Proportional to 166,495.36, 229,768.32 and 91,045.12

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Solution

The fourth proportional to 166,495.36, 229,768.32 and 91,045.12 is: 125,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,495.36 : 229,768.32 = 91,045.12 : x
  2. Step 2: Convert to fraction form
    166,495.36/229,768.32 = 91,045.12/x
  3. Step 3: Cross multiply
    166,495.36x = 229,768.32 × 91,045.12
  4. Step 4: Simplify right side
    166,495.36x = 20,919,284,266.60
  5. Step 5: Solve for x
    x = 20,919,284,266.60/166,495.36
  6. Step 6: Final answer
    x = 125,644.85

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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.