Home / 166,977-230,428.80-90,497.34

Finding the Fourth Proportional to 166,977, 230,428.80 and 90,497.34

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Solution

The fourth proportional to 166,977, 230,428.80 and 90,497.34 is: 124,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,977 : 230,428.80 = 90,497.34 : x
  2. Step 2: Convert to fraction form
    166,977/230,428.80 = 90,497.34/x
  3. Step 3: Cross multiply
    166,977x = 230,428.80 × 90,497.34
  4. Step 4: Simplify right side
    166,977x = 20,853,193,459.39
  5. Step 5: Solve for x
    x = 20,853,193,459.39/166,977
  6. Step 6: Final answer
    x = 124,886.62

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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.