Home / 122,888.22-169,551.78-69,170.10

Finding the Fourth Proportional to 122,888.22, 169,551.78 and 69,170.10

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Solution

The fourth proportional to 122,888.22, 169,551.78 and 69,170.10 is: 95,435.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,888.22 : 169,551.78 = 69,170.10 : x
  2. Step 2: Convert to fraction form
    122,888.22/169,551.78 = 69,170.10/x
  3. Step 3: Cross multiply
    122,888.22x = 169,551.78 × 69,170.10
  4. Step 4: Simplify right side
    122,888.22x = 11,727,913,577.78
  5. Step 5: Solve for x
    x = 11,727,913,577.78/122,888.22
  6. Step 6: Final answer
    x = 95,435.62

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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.