Home / 122,945.08-169,680.38-69,240.60

Finding the Fourth Proportional to 122,945.08, 169,680.38 and 69,240.60

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Solution

The fourth proportional to 122,945.08, 169,680.38 and 69,240.60 is: 95,561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,945.08 : 169,680.38 = 69,240.60 : x
  2. Step 2: Convert to fraction form
    122,945.08/169,680.38 = 69,240.60/x
  3. Step 3: Cross multiply
    122,945.08x = 169,680.38 × 69,240.60
  4. Step 4: Simplify right side
    122,945.08x = 11,748,770,124.82
  5. Step 5: Solve for x
    x = 11,748,770,124.82/122,945.08
  6. Step 6: Final answer
    x = 95,561.12

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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.