Home / 147,861.36-222,789.60-122,142

Finding the Fourth Proportional to 147,861.36, 222,789.60 and 122,142

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Solution

The fourth proportional to 147,861.36, 222,789.60 and 122,142 is: 184,037.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,861.36 : 222,789.60 = 122,142 : x
  2. Step 2: Convert to fraction form
    147,861.36/222,789.60 = 122,142/x
  3. Step 3: Cross multiply
    147,861.36x = 222,789.60 × 122,142
  4. Step 4: Simplify right side
    147,861.36x = 27,211,967,323.20
  5. Step 5: Solve for x
    x = 27,211,967,323.20/147,861.36
  6. Step 6: Final answer
    x = 184,037.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.