Home / 166,977.72-230,432.04-90,499.26

Finding the Fourth Proportional to 166,977.72, 230,432.04 and 90,499.26

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Solution

The fourth proportional to 166,977.72, 230,432.04 and 90,499.26 is: 124,890.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,977.72 : 230,432.04 = 90,499.26 : x
  2. Step 2: Convert to fraction form
    166,977.72/230,432.04 = 90,499.26/x
  3. Step 3: Cross multiply
    166,977.72x = 230,432.04 × 90,499.26
  4. Step 4: Simplify right side
    166,977.72x = 20,853,929,100.29
  5. Step 5: Solve for x
    x = 20,853,929,100.29/166,977.72
  6. Step 6: Final answer
    x = 124,890.49

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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.