Home / 122,945.14-169,680.46-69,240.66

Finding the Fourth Proportional to 122,945.14, 169,680.46 and 69,240.66

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Solution

The fourth proportional to 122,945.14, 169,680.46 and 69,240.66 is: 95,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,945.14 : 169,680.46 = 69,240.66 : x
  2. Step 2: Convert to fraction form
    122,945.14/169,680.46 = 69,240.66/x
  3. Step 3: Cross multiply
    122,945.14x = 169,680.46 × 69,240.66
  4. Step 4: Simplify right side
    122,945.14x = 11,748,787,039.50
  5. Step 5: Solve for x
    x = 11,748,787,039.50/122,945.14
  6. Step 6: Final answer
    x = 95,561.22

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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.