Home / 124,979.60-187,906.80-122,355.20

Finding the Fourth Proportional to 124,979.60, 187,906.80 and 122,355.20

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Solution

The fourth proportional to 124,979.60, 187,906.80 and 122,355.20 is: 183,961.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,979.60 : 187,906.80 = 122,355.20 : x
  2. Step 2: Convert to fraction form
    124,979.60/187,906.80 = 122,355.20/x
  3. Step 3: Cross multiply
    124,979.60x = 187,906.80 × 122,355.20
  4. Step 4: Simplify right side
    124,979.60x = 22,991,374,095.36
  5. Step 5: Solve for x
    x = 22,991,374,095.36/124,979.60
  6. Step 6: Final answer
    x = 183,961.02

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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.