Home / 136,174.92-204,295.19-42,680.67

Finding the Fourth Proportional to 136,174.92, 204,295.19 and 42,680.67

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Solution

The fourth proportional to 136,174.92, 204,295.19 and 42,680.67 is: 64,031.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,174.92 : 204,295.19 = 42,680.67 : x
  2. Step 2: Convert to fraction form
    136,174.92/204,295.19 = 42,680.67/x
  3. Step 3: Cross multiply
    136,174.92x = 204,295.19 × 42,680.67
  4. Step 4: Simplify right side
    136,174.92x = 8,719,455,876.67
  5. Step 5: Solve for x
    x = 8,719,455,876.67/136,174.92
  6. Step 6: Final answer
    x = 64,031.29

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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.