Home / 123,768.29-170,802.21-67,179.66

Finding the Fourth Proportional to 123,768.29, 170,802.21 and 67,179.66

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Solution

The fourth proportional to 123,768.29, 170,802.21 and 67,179.66 is: 92,709.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,768.29 : 170,802.21 = 67,179.66 : x
  2. Step 2: Convert to fraction form
    123,768.29/170,802.21 = 67,179.66/x
  3. Step 3: Cross multiply
    123,768.29x = 170,802.21 × 67,179.66
  4. Step 4: Simplify right side
    123,768.29x = 11,474,434,395.05
  5. Step 5: Solve for x
    x = 11,474,434,395.05/123,768.29
  6. Step 6: Final answer
    x = 92,709.00

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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.