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Finding the Fourth Proportional to 122,336.51, 169,157.39 and 106,590.11

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Solution

The fourth proportional to 122,336.51, 169,157.39 and 106,590.11 is: 147,384.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,336.51 : 169,157.39 = 106,590.11 : x
  2. Step 2: Convert to fraction form
    122,336.51/169,157.39 = 106,590.11/x
  3. Step 3: Cross multiply
    122,336.51x = 169,157.39 × 106,590.11
  4. Step 4: Simplify right side
    122,336.51x = 18,030,503,428.68
  5. Step 5: Solve for x
    x = 18,030,503,428.68/122,336.51
  6. Step 6: Final answer
    x = 147,384.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.