Home / 120,410.46-166,159.11-66,692.28

Finding the Fourth Proportional to 120,410.46, 166,159.11 and 66,692.28

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Solution

The fourth proportional to 120,410.46, 166,159.11 and 66,692.28 is: 92,031.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,410.46 : 166,159.11 = 66,692.28 : x
  2. Step 2: Convert to fraction form
    120,410.46/166,159.11 = 66,692.28/x
  3. Step 3: Cross multiply
    120,410.46x = 166,159.11 × 66,692.28
  4. Step 4: Simplify right side
    120,410.46x = 11,081,529,888.67
  5. Step 5: Solve for x
    x = 11,081,529,888.67/120,410.46
  6. Step 6: Final answer
    x = 92,031.29

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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.