Home / 189,565.38-261,599.22-104,682.42

Finding the Fourth Proportional to 189,565.38, 261,599.22 and 104,682.42

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Solution

The fourth proportional to 189,565.38, 261,599.22 and 104,682.42 is: 144,461.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,565.38 : 261,599.22 = 104,682.42 : x
  2. Step 2: Convert to fraction form
    189,565.38/261,599.22 = 104,682.42/x
  3. Step 3: Cross multiply
    189,565.38x = 261,599.22 × 104,682.42
  4. Step 4: Simplify right side
    189,565.38x = 27,384,839,419.71
  5. Step 5: Solve for x
    x = 27,384,839,419.71/189,565.38
  6. Step 6: Final answer
    x = 144,461.18

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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.