Home / 123,571.32-170,527.17-69,122.80

Finding the Fourth Proportional to 123,571.32, 170,527.17 and 69,122.80

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Solution

The fourth proportional to 123,571.32, 170,527.17 and 69,122.80 is: 95,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,571.32 : 170,527.17 = 69,122.80 : x
  2. Step 2: Convert to fraction form
    123,571.32/170,527.17 = 69,122.80/x
  3. Step 3: Cross multiply
    123,571.32x = 170,527.17 × 69,122.80
  4. Step 4: Simplify right side
    123,571.32x = 11,787,315,466.48
  5. Step 5: Solve for x
    x = 11,787,315,466.48/123,571.32
  6. Step 6: Final answer
    x = 95,388.76

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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.