Home / 122,720.42-169,350.82-69,004.06

Finding the Fourth Proportional to 122,720.42, 169,350.82 and 69,004.06

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Solution

The fourth proportional to 122,720.42, 169,350.82 and 69,004.06 is: 95,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,720.42 : 169,350.82 = 69,004.06 : x
  2. Step 2: Convert to fraction form
    122,720.42/169,350.82 = 69,004.06/x
  3. Step 3: Cross multiply
    122,720.42x = 169,350.82 × 69,004.06
  4. Step 4: Simplify right side
    122,720.42x = 11,685,893,548.44
  5. Step 5: Solve for x
    x = 11,685,893,548.44/122,720.42
  6. Step 6: Final answer
    x = 95,223.71

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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.