Home / 123,717.06-170,728.83-67,127.22

Finding the Fourth Proportional to 123,717.06, 170,728.83 and 67,127.22

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Solution

The fourth proportional to 123,717.06, 170,728.83 and 67,127.22 is: 92,635.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,717.06 : 170,728.83 = 67,127.22 : x
  2. Step 2: Convert to fraction form
    123,717.06/170,728.83 = 67,127.22/x
  3. Step 3: Cross multiply
    123,717.06x = 170,728.83 × 67,127.22
  4. Step 4: Simplify right side
    123,717.06x = 11,460,551,731.75
  5. Step 5: Solve for x
    x = 11,460,551,731.75/123,717.06
  6. Step 6: Final answer
    x = 92,635.18

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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.