Home / 231,155.20-346,502.40-106,278.40

Finding the Fourth Proportional to 231,155.20, 346,502.40 and 106,278.40

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Solution

The fourth proportional to 231,155.20, 346,502.40 and 106,278.40 is: 159,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,155.20 : 346,502.40 = 106,278.40 : x
  2. Step 2: Convert to fraction form
    231,155.20/346,502.40 = 106,278.40/x
  3. Step 3: Cross multiply
    231,155.20x = 346,502.40 × 106,278.40
  4. Step 4: Simplify right side
    231,155.20x = 36,825,720,668.16
  5. Step 5: Solve for x
    x = 36,825,720,668.16/231,155.20
  6. Step 6: Final answer
    x = 159,311.67

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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.