Home / 189,102.32-260,956.08-104,219.36

Finding the Fourth Proportional to 189,102.32, 260,956.08 and 104,219.36

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Solution

The fourth proportional to 189,102.32, 260,956.08 and 104,219.36 is: 143,819.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,102.32 : 260,956.08 = 104,219.36 : x
  2. Step 2: Convert to fraction form
    189,102.32/260,956.08 = 104,219.36/x
  3. Step 3: Cross multiply
    189,102.32x = 260,956.08 × 104,219.36
  4. Step 4: Simplify right side
    189,102.32x = 27,196,675,645.71
  5. Step 5: Solve for x
    x = 27,196,675,645.71/189,102.32
  6. Step 6: Final answer
    x = 143,819.89

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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.