Home / 231,154.29-346,633.02-90,814.50

Finding the Fourth Proportional to 231,154.29, 346,633.02 and 90,814.50

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Solution

The fourth proportional to 231,154.29, 346,633.02 and 90,814.50 is: 136,183.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,154.29 : 346,633.02 = 90,814.50 : x
  2. Step 2: Convert to fraction form
    231,154.29/346,633.02 = 90,814.50/x
  3. Step 3: Cross multiply
    231,154.29x = 346,633.02 × 90,814.50
  4. Step 4: Simplify right side
    231,154.29x = 31,479,304,394.79
  5. Step 5: Solve for x
    x = 31,479,304,394.79/231,154.29
  6. Step 6: Final answer
    x = 136,183.09

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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.