Home / 260,358.30-390,537.45-94,107.42

Finding the Fourth Proportional to 260,358.30, 390,537.45 and 94,107.42

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Solution

The fourth proportional to 260,358.30, 390,537.45 and 94,107.42 is: 141,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,358.30 : 390,537.45 = 94,107.42 : x
  2. Step 2: Convert to fraction form
    260,358.30/390,537.45 = 94,107.42/x
  3. Step 3: Cross multiply
    260,358.30x = 390,537.45 × 94,107.42
  4. Step 4: Simplify right side
    260,358.30x = 36,752,471,832.88
  5. Step 5: Solve for x
    x = 36,752,471,832.88/260,358.30
  6. Step 6: Final answer
    x = 141,161.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.