Home / 120,392.28-166,147.74-66,683.16

Finding the Fourth Proportional to 120,392.28, 166,147.74 and 66,683.16

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Solution

The fourth proportional to 120,392.28, 166,147.74 and 66,683.16 is: 92,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,392.28 : 166,147.74 = 66,683.16 : x
  2. Step 2: Convert to fraction form
    120,392.28/166,147.74 = 66,683.16/x
  3. Step 3: Cross multiply
    120,392.28x = 166,147.74 × 66,683.16
  4. Step 4: Simplify right side
    120,392.28x = 11,079,256,330.06
  5. Step 5: Solve for x
    x = 11,079,256,330.06/120,392.28
  6. Step 6: Final answer
    x = 92,026.30

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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.