Home / 189,105.36-260,964-104,222.40

Finding the Fourth Proportional to 189,105.36, 260,964 and 104,222.40

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Solution

The fourth proportional to 189,105.36, 260,964 and 104,222.40 is: 143,826.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,105.36 : 260,964 = 104,222.40 : x
  2. Step 2: Convert to fraction form
    189,105.36/260,964 = 104,222.40/x
  3. Step 3: Cross multiply
    189,105.36x = 260,964 × 104,222.40
  4. Step 4: Simplify right side
    189,105.36x = 27,198,294,393.60
  5. Step 5: Solve for x
    x = 27,198,294,393.60/189,105.36
  6. Step 6: Final answer
    x = 143,826.14

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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.