Home / 122,701.16-169,326.78-68,986.28

Finding the Fourth Proportional to 122,701.16, 169,326.78 and 68,986.28

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Solution

The fourth proportional to 122,701.16, 169,326.78 and 68,986.28 is: 95,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,701.16 : 169,326.78 = 68,986.28 : x
  2. Step 2: Convert to fraction form
    122,701.16/169,326.78 = 68,986.28/x
  3. Step 3: Cross multiply
    122,701.16x = 169,326.78 × 68,986.28
  4. Step 4: Simplify right side
    122,701.16x = 11,681,224,656.58
  5. Step 5: Solve for x
    x = 11,681,224,656.58/122,701.16
  6. Step 6: Final answer
    x = 95,200.60

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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.