Home / 120,454.40-166,220.13-66,736.22

Finding the Fourth Proportional to 120,454.40, 166,220.13 and 66,736.22

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Solution

The fourth proportional to 120,454.40, 166,220.13 and 66,736.22 is: 92,092.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,454.40 : 166,220.13 = 66,736.22 : x
  2. Step 2: Convert to fraction form
    120,454.40/166,220.13 = 66,736.22/x
  3. Step 3: Cross multiply
    120,454.40x = 166,220.13 × 66,736.22
  4. Step 4: Simplify right side
    120,454.40x = 11,092,903,164.11
  5. Step 5: Solve for x
    x = 11,092,903,164.11/120,454.40
  6. Step 6: Final answer
    x = 92,092.14

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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.