Home / 120,354.17-166,075.34-66,625.73

Finding the Fourth Proportional to 120,354.17, 166,075.34 and 66,625.73

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Solution

The fourth proportional to 120,354.17, 166,075.34 and 66,625.73 is: 91,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,354.17 : 166,075.34 = 66,625.73 : x
  2. Step 2: Convert to fraction form
    120,354.17/166,075.34 = 66,625.73/x
  3. Step 3: Cross multiply
    120,354.17x = 166,075.34 × 66,625.73
  4. Step 4: Simplify right side
    120,354.17x = 11,064,889,598.99
  5. Step 5: Solve for x
    x = 11,064,889,598.99/120,354.17
  6. Step 6: Final answer
    x = 91,936.08

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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.