Home / 166,789.70-230,168.06-90,307.48

Finding the Fourth Proportional to 166,789.70, 230,168.06 and 90,307.48

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Solution

The fourth proportional to 166,789.70, 230,168.06 and 90,307.48 is: 124,623.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,789.70 : 230,168.06 = 90,307.48 : x
  2. Step 2: Convert to fraction form
    166,789.70/230,168.06 = 90,307.48/x
  3. Step 3: Cross multiply
    166,789.70x = 230,168.06 × 90,307.48
  4. Step 4: Simplify right side
    166,789.70x = 20,785,897,475.09
  5. Step 5: Solve for x
    x = 20,785,897,475.09/166,789.70
  6. Step 6: Final answer
    x = 124,623.39

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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.