Home / 120,355.17-166,076.71-66,626.73

Finding the Fourth Proportional to 120,355.17, 166,076.71 and 66,626.73

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Solution

The fourth proportional to 120,355.17, 166,076.71 and 66,626.73 is: 91,937.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,355.17 : 166,076.71 = 66,626.73 : x
  2. Step 2: Convert to fraction form
    120,355.17/166,076.71 = 66,626.73/x
  3. Step 3: Cross multiply
    120,355.17x = 166,076.71 × 66,626.73
  4. Step 4: Simplify right side
    120,355.17x = 11,065,148,116.46
  5. Step 5: Solve for x
    x = 11,065,148,116.46/120,355.17
  6. Step 6: Final answer
    x = 91,937.46

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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.