Home / 122,860.25-169,552.60-69,148.74

Finding the Fourth Proportional to 122,860.25, 169,552.60 and 69,148.74

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Solution

The fourth proportional to 122,860.25, 169,552.60 and 69,148.74 is: 95,428.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,860.25 : 169,552.60 = 69,148.74 : x
  2. Step 2: Convert to fraction form
    122,860.25/169,552.60 = 69,148.74/x
  3. Step 3: Cross multiply
    122,860.25x = 169,552.60 × 69,148.74
  4. Step 4: Simplify right side
    122,860.25x = 11,724,348,573.43
  5. Step 5: Solve for x
    x = 11,724,348,573.43/122,860.25
  6. Step 6: Final answer
    x = 95,428.33

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1.5x scale

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.