Home / 123,623.36-170,599.19-69,908.21

Finding the Fourth Proportional to 123,623.36, 170,599.19 and 69,908.21

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Solution

The fourth proportional to 123,623.36, 170,599.19 and 69,908.21 is: 96,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,623.36 : 170,599.19 = 69,908.21 : x
  2. Step 2: Convert to fraction form
    123,623.36/170,599.19 = 69,908.21/x
  3. Step 3: Cross multiply
    123,623.36x = 170,599.19 × 69,908.21
  4. Step 4: Simplify right side
    123,623.36x = 11,926,282,797.81
  5. Step 5: Solve for x
    x = 11,926,282,797.81/123,623.36
  6. Step 6: Final answer
    x = 96,472.73

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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.