Home / 209,178.65-313,692.04-114,478.82

Finding the Fourth Proportional to 209,178.65, 313,692.04 and 114,478.82

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Solution

The fourth proportional to 209,178.65, 313,692.04 and 114,478.82 is: 171,676.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,178.65 : 313,692.04 = 114,478.82 : x
  2. Step 2: Convert to fraction form
    209,178.65/313,692.04 = 114,478.82/x
  3. Step 3: Cross multiply
    209,178.65x = 313,692.04 × 114,478.82
  4. Step 4: Simplify right side
    209,178.65x = 35,911,094,333.58
  5. Step 5: Solve for x
    x = 35,911,094,333.58/209,178.65
  6. Step 6: Final answer
    x = 171,676.67

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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.