Home / 123,754.77-170,781.75-67,166.15

Finding the Fourth Proportional to 123,754.77, 170,781.75 and 67,166.15

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Solution

The fourth proportional to 123,754.77, 170,781.75 and 67,166.15 is: 92,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,754.77 : 170,781.75 = 67,166.15 : x
  2. Step 2: Convert to fraction form
    123,754.77/170,781.75 = 67,166.15/x
  3. Step 3: Cross multiply
    123,754.77x = 170,781.75 × 67,166.15
  4. Step 4: Simplify right side
    123,754.77x = 11,470,751,783.85
  5. Step 5: Solve for x
    x = 11,470,751,783.85/123,754.77
  6. Step 6: Final answer
    x = 92,689.37

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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.