Home / 120,425.35-166,184.80-66,710.20

Finding the Fourth Proportional to 120,425.35, 166,184.80 and 66,710.20

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Solution

The fourth proportional to 120,425.35, 166,184.80 and 66,710.20 is: 92,058.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,425.35 : 166,184.80 = 66,710.20 : x
  2. Step 2: Convert to fraction form
    120,425.35/166,184.80 = 66,710.20/x
  3. Step 3: Cross multiply
    120,425.35x = 166,184.80 × 66,710.20
  4. Step 4: Simplify right side
    120,425.35x = 11,086,221,244.96
  5. Step 5: Solve for x
    x = 11,086,221,244.96/120,425.35
  6. Step 6: Final answer
    x = 92,058.87

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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.