Home / 166,702.58-230,049.86-90,221.77

Finding the Fourth Proportional to 166,702.58, 230,049.86 and 90,221.77

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Solution

The fourth proportional to 166,702.58, 230,049.86 and 90,221.77 is: 124,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,702.58 : 230,049.86 = 90,221.77 : x
  2. Step 2: Convert to fraction form
    166,702.58/230,049.86 = 90,221.77/x
  3. Step 3: Cross multiply
    166,702.58x = 230,049.86 × 90,221.77
  4. Step 4: Simplify right side
    166,702.58x = 20,755,505,393.91
  5. Step 5: Solve for x
    x = 20,755,505,393.91/166,702.58
  6. Step 6: Final answer
    x = 124,506.20

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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.