Home / 122,917.68-169,642.55-69,213.16

Finding the Fourth Proportional to 122,917.68, 169,642.55 and 69,213.16

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Solution

The fourth proportional to 122,917.68, 169,642.55 and 69,213.16 is: 95,523.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,917.68 : 169,642.55 = 69,213.16 : x
  2. Step 2: Convert to fraction form
    122,917.68/169,642.55 = 69,213.16/x
  3. Step 3: Cross multiply
    122,917.68x = 169,642.55 × 69,213.16
  4. Step 4: Simplify right side
    122,917.68x = 11,741,496,955.96
  5. Step 5: Solve for x
    x = 11,741,496,955.96/122,917.68
  6. Step 6: Final answer
    x = 95,523.26

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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.