Home / 206,075.20-284,394.46-115,425.86

Finding the Fourth Proportional to 206,075.20, 284,394.46 and 115,425.86

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Solution

The fourth proportional to 206,075.20, 284,394.46 and 115,425.86 is: 159,293.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,075.20 : 284,394.46 = 115,425.86 : x
  2. Step 2: Convert to fraction form
    206,075.20/284,394.46 = 115,425.86/x
  3. Step 3: Cross multiply
    206,075.20x = 284,394.46 × 115,425.86
  4. Step 4: Simplify right side
    206,075.20x = 32,826,475,124.74
  5. Step 5: Solve for x
    x = 32,826,475,124.74/206,075.20
  6. Step 6: Final answer
    x = 159,293.67

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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.