Home / 120,476.16-166,258.50-66,762.09

Finding the Fourth Proportional to 120,476.16, 166,258.50 and 66,762.09

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Solution

The fourth proportional to 120,476.16, 166,258.50 and 66,762.09 is: 92,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,476.16 : 166,258.50 = 66,762.09 : x
  2. Step 2: Convert to fraction form
    120,476.16/166,258.50 = 66,762.09/x
  3. Step 3: Cross multiply
    120,476.16x = 166,258.50 × 66,762.09
  4. Step 4: Simplify right side
    120,476.16x = 11,099,764,940.27
  5. Step 5: Solve for x
    x = 11,099,764,940.27/120,476.16
  6. Step 6: Final answer
    x = 92,132.46

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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.