Home / 354,367.32-531,403.18-111,145.73

Finding the Fourth Proportional to 354,367.32, 531,403.18 and 111,145.73

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Solution

The fourth proportional to 354,367.32, 531,403.18 and 111,145.73 is: 166,672.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,367.32 : 531,403.18 = 111,145.73 : x
  2. Step 2: Convert to fraction form
    354,367.32/531,403.18 = 111,145.73/x
  3. Step 3: Cross multiply
    354,367.32x = 531,403.18 × 111,145.73
  4. Step 4: Simplify right side
    354,367.32x = 59,063,191,430.54
  5. Step 5: Solve for x
    x = 59,063,191,430.54/354,367.32
  6. Step 6: Final answer
    x = 166,672.23

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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.