Home / 189,088.82-260,948.04-104,211.36

Finding the Fourth Proportional to 189,088.82, 260,948.04 and 104,211.36

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Solution

The fourth proportional to 189,088.82, 260,948.04 and 104,211.36 is: 143,814.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,088.82 : 260,948.04 = 104,211.36 : x
  2. Step 2: Convert to fraction form
    189,088.82/260,948.04 = 104,211.36/x
  3. Step 3: Cross multiply
    189,088.82x = 260,948.04 × 104,211.36
  4. Step 4: Simplify right side
    189,088.82x = 27,193,750,137.73
  5. Step 5: Solve for x
    x = 27,193,750,137.73/189,088.82
  6. Step 6: Final answer
    x = 143,814.69

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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.