Home / 189,100.36-260,957.20-104,217.48

Finding the Fourth Proportional to 189,100.36, 260,957.20 and 104,217.48

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Solution

The fourth proportional to 189,100.36, 260,957.20 and 104,217.48 is: 143,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,100.36 : 260,957.20 = 104,217.48 : x
  2. Step 2: Convert to fraction form
    189,100.36/260,957.20 = 104,217.48/x
  3. Step 3: Cross multiply
    189,100.36x = 260,957.20 × 104,217.48
  4. Step 4: Simplify right side
    189,100.36x = 27,196,301,771.86
  5. Step 5: Solve for x
    x = 27,196,301,771.86/189,100.36
  6. Step 6: Final answer
    x = 143,819.41

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1.5x scale

Why These Related Problems?

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