Home / 120,548.40-166,366.65-66,850.26

Finding the Fourth Proportional to 120,548.40, 166,366.65 and 66,850.26

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Solution

The fourth proportional to 120,548.40, 166,366.65 and 66,850.26 is: 92,258.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,548.40 : 166,366.65 = 66,850.26 : x
  2. Step 2: Convert to fraction form
    120,548.40/166,366.65 = 66,850.26/x
  3. Step 3: Cross multiply
    120,548.40x = 166,366.65 × 66,850.26
  4. Step 4: Simplify right side
    120,548.40x = 11,121,653,807.83
  5. Step 5: Solve for x
    x = 11,121,653,807.83/120,548.40
  6. Step 6: Final answer
    x = 92,258.83

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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.