Home / 263,403.96-363,496.03-142,545.21

Finding the Fourth Proportional to 263,403.96, 363,496.03 and 142,545.21

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Solution

The fourth proportional to 263,403.96, 363,496.03 and 142,545.21 is: 196,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,403.96 : 363,496.03 = 142,545.21 : x
  2. Step 2: Convert to fraction form
    263,403.96/363,496.03 = 142,545.21/x
  3. Step 3: Cross multiply
    263,403.96x = 363,496.03 × 142,545.21
  4. Step 4: Simplify right side
    263,403.96x = 51,814,617,930.52
  5. Step 5: Solve for x
    x = 51,814,617,930.52/263,403.96
  6. Step 6: Final answer
    x = 196,711.61

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1.5x scale

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.