Home / 122,327.56-169,145.04-106,581.16

Finding the Fourth Proportional to 122,327.56, 169,145.04 and 106,581.16

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Solution

The fourth proportional to 122,327.56, 169,145.04 and 106,581.16 is: 147,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,327.56 : 169,145.04 = 106,581.16 : x
  2. Step 2: Convert to fraction form
    122,327.56/169,145.04 = 106,581.16/x
  3. Step 3: Cross multiply
    122,327.56x = 169,145.04 × 106,581.16
  4. Step 4: Simplify right side
    122,327.56x = 18,027,674,571.45
  5. Step 5: Solve for x
    x = 18,027,674,571.45/122,327.56
  6. Step 6: Final answer
    x = 147,372.14

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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.