Home / 120,475.34-166,256.95-66,761.26

Finding the Fourth Proportional to 120,475.34, 166,256.95 and 66,761.26

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Solution

The fourth proportional to 120,475.34, 166,256.95 and 66,761.26 is: 92,131.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,475.34 : 166,256.95 = 66,761.26 : x
  2. Step 2: Convert to fraction form
    120,475.34/166,256.95 = 66,761.26/x
  3. Step 3: Cross multiply
    120,475.34x = 166,256.95 × 66,761.26
  4. Step 4: Simplify right side
    120,475.34x = 11,099,523,465.76
  5. Step 5: Solve for x
    x = 11,099,523,465.76/120,475.34
  6. Step 6: Final answer
    x = 92,131.08

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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.