Home / 123,460.83-170,375.99-66,872.21

Finding the Fourth Proportional to 123,460.83, 170,375.99 and 66,872.21

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Solution

The fourth proportional to 123,460.83, 170,375.99 and 66,872.21 is: 92,283.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,460.83 : 170,375.99 = 66,872.21 : x
  2. Step 2: Convert to fraction form
    123,460.83/170,375.99 = 66,872.21/x
  3. Step 3: Cross multiply
    123,460.83x = 170,375.99 × 66,872.21
  4. Step 4: Simplify right side
    123,460.83x = 11,393,417,796.00
  5. Step 5: Solve for x
    x = 11,393,417,796.00/123,460.83
  6. Step 6: Final answer
    x = 92,283.66

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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.