Home / 208,669.67-287,964.65-113,176.37

Finding the Fourth Proportional to 208,669.67, 287,964.65 and 113,176.37

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Solution

The fourth proportional to 208,669.67, 287,964.65 and 113,176.37 is: 156,183.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,669.67 : 287,964.65 = 113,176.37 : x
  2. Step 2: Convert to fraction form
    208,669.67/287,964.65 = 113,176.37/x
  3. Step 3: Cross multiply
    208,669.67x = 287,964.65 × 113,176.37
  4. Step 4: Simplify right side
    208,669.67x = 32,590,794,778.17
  5. Step 5: Solve for x
    x = 32,590,794,778.17/208,669.67
  6. Step 6: Final answer
    x = 156,183.67

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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.