Home / 124,845.20-187,440.60-98,579.60

Finding the Fourth Proportional to 124,845.20, 187,440.60 and 98,579.60

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Solution

The fourth proportional to 124,845.20, 187,440.60 and 98,579.60 is: 148,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,845.20 : 187,440.60 = 98,579.60 : x
  2. Step 2: Convert to fraction form
    124,845.20/187,440.60 = 98,579.60/x
  3. Step 3: Cross multiply
    124,845.20x = 187,440.60 × 98,579.60
  4. Step 4: Simplify right side
    124,845.20x = 18,477,819,371.76
  5. Step 5: Solve for x
    x = 18,477,819,371.76/124,845.20
  6. Step 6: Final answer
    x = 148,005.85

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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.