Home / 122,317.56-169,131.24-106,571.16

Finding the Fourth Proportional to 122,317.56, 169,131.24 and 106,571.16

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Solution

The fourth proportional to 122,317.56, 169,131.24 and 106,571.16 is: 147,358.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,317.56 : 169,131.24 = 106,571.16 : x
  2. Step 2: Convert to fraction form
    122,317.56/169,131.24 = 106,571.16/x
  3. Step 3: Cross multiply
    122,317.56x = 169,131.24 × 106,571.16
  4. Step 4: Simplify right side
    122,317.56x = 18,024,512,439.04
  5. Step 5: Solve for x
    x = 18,024,512,439.04/122,317.56
  6. Step 6: Final answer
    x = 147,358.34

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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.