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Finding the Fourth Proportional to 161,523.60, 242,515.80 and 122,355.60

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Solution

The fourth proportional to 161,523.60, 242,515.80 and 122,355.60 is: 183,707.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,523.60 : 242,515.80 = 122,355.60 : x
  2. Step 2: Convert to fraction form
    161,523.60/242,515.80 = 122,355.60/x
  3. Step 3: Cross multiply
    161,523.60x = 242,515.80 × 122,355.60
  4. Step 4: Simplify right side
    161,523.60x = 29,673,166,218.48
  5. Step 5: Solve for x
    x = 29,673,166,218.48/161,523.60
  6. Step 6: Final answer
    x = 183,707.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.