Home / 120,422.19-166,180.54-66,706.08

Finding the Fourth Proportional to 120,422.19, 166,180.54 and 66,706.08

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Solution

The fourth proportional to 120,422.19, 166,180.54 and 66,706.08 is: 92,053.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,422.19 : 166,180.54 = 66,706.08 : x
  2. Step 2: Convert to fraction form
    120,422.19/166,180.54 = 66,706.08/x
  3. Step 3: Cross multiply
    120,422.19x = 166,180.54 × 66,706.08
  4. Step 4: Simplify right side
    120,422.19x = 11,085,252,395.68
  5. Step 5: Solve for x
    x = 11,085,252,395.68/120,422.19
  6. Step 6: Final answer
    x = 92,053.24

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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.