Home / 122,918.68-169,643.93-69,214.16

Finding the Fourth Proportional to 122,918.68, 169,643.93 and 69,214.16

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Solution

The fourth proportional to 122,918.68, 169,643.93 and 69,214.16 is: 95,524.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,918.68 : 169,643.93 = 69,214.16 : x
  2. Step 2: Convert to fraction form
    122,918.68/169,643.93 = 69,214.16/x
  3. Step 3: Cross multiply
    122,918.68x = 169,643.93 × 69,214.16
  4. Step 4: Simplify right side
    122,918.68x = 11,741,762,114.05
  5. Step 5: Solve for x
    x = 11,741,762,114.05/122,918.68
  6. Step 6: Final answer
    x = 95,524.64

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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.