Home / 120,411.24-166,151.16-66,683.04

Finding the Fourth Proportional to 120,411.24, 166,151.16 and 66,683.04

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Solution

The fourth proportional to 120,411.24, 166,151.16 and 66,683.04 is: 92,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,411.24 : 166,151.16 = 66,683.04 : x
  2. Step 2: Convert to fraction form
    120,411.24/166,151.16 = 66,683.04/x
  3. Step 3: Cross multiply
    120,411.24x = 166,151.16 × 66,683.04
  4. Step 4: Simplify right side
    120,411.24x = 11,079,464,448.33
  5. Step 5: Solve for x
    x = 11,079,464,448.33/120,411.24
  6. Step 6: Final answer
    x = 92,013.54

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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.