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Finding the Fourth Proportional to 166,681.49, 230,019.58 and 90,200.54

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Solution

The fourth proportional to 166,681.49, 230,019.58 and 90,200.54 is: 124,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,681.49 : 230,019.58 = 90,200.54 : x
  2. Step 2: Convert to fraction form
    166,681.49/230,019.58 = 90,200.54/x
  3. Step 3: Cross multiply
    166,681.49x = 230,019.58 × 90,200.54
  4. Step 4: Simplify right side
    166,681.49x = 20,747,890,676.12
  5. Step 5: Solve for x
    x = 20,747,890,676.12/166,681.49
  6. Step 6: Final answer
    x = 124,476.27

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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.