Home / 120,612.46-166,445.30-66,897.48

Finding the Fourth Proportional to 120,612.46, 166,445.30 and 66,897.48

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Solution

The fourth proportional to 120,612.46, 166,445.30 and 66,897.48 is: 92,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,612.46 : 166,445.30 = 66,897.48 : x
  2. Step 2: Convert to fraction form
    120,612.46/166,445.30 = 66,897.48/x
  3. Step 3: Cross multiply
    120,612.46x = 166,445.30 × 66,897.48
  4. Step 4: Simplify right side
    120,612.46x = 11,134,770,462.86
  5. Step 5: Solve for x
    x = 11,134,770,462.86/120,612.46
  6. Step 6: Final answer
    x = 92,318.58

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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.