Home / 120,546.18-166,347.52-66,830.62

Finding the Fourth Proportional to 120,546.18, 166,347.52 and 66,830.62

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Solution

The fourth proportional to 120,546.18, 166,347.52 and 66,830.62 is: 92,222.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,546.18 : 166,347.52 = 66,830.62 : x
  2. Step 2: Convert to fraction form
    120,546.18/166,347.52 = 66,830.62/x
  3. Step 3: Cross multiply
    120,546.18x = 166,347.52 × 66,830.62
  4. Step 4: Simplify right side
    120,546.18x = 11,117,107,897.06
  5. Step 5: Solve for x
    x = 11,117,107,897.06/120,546.18
  6. Step 6: Final answer
    x = 92,222.81

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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.