Home / 231,001.70-346,502.55-131,123.30

Finding the Fourth Proportional to 231,001.70, 346,502.55 and 131,123.30

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Solution

The fourth proportional to 231,001.70, 346,502.55 and 131,123.30 is: 196,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,001.70 : 346,502.55 = 131,123.30 : x
  2. Step 2: Convert to fraction form
    231,001.70/346,502.55 = 131,123.30/x
  3. Step 3: Cross multiply
    231,001.70x = 346,502.55 × 131,123.30
  4. Step 4: Simplify right side
    231,001.70x = 45,434,557,814.42
  5. Step 5: Solve for x
    x = 45,434,557,814.42/231,001.70
  6. Step 6: Final answer
    x = 196,684.95

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1.5x scale

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.