Home / 123,261.12-170,100.48-66,672.24

Finding the Fourth Proportional to 123,261.12, 170,100.48 and 66,672.24

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Solution

The fourth proportional to 123,261.12, 170,100.48 and 66,672.24 is: 92,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,261.12 : 170,100.48 = 66,672.24 : x
  2. Step 2: Convert to fraction form
    123,261.12/170,100.48 = 66,672.24/x
  3. Step 3: Cross multiply
    123,261.12x = 170,100.48 × 66,672.24
  4. Step 4: Simplify right side
    123,261.12x = 11,340,980,026.68
  5. Step 5: Solve for x
    x = 11,340,980,026.68/123,261.12
  6. Step 6: Final answer
    x = 92,007.76

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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.