Home / 212,233.05-292,880.28-120,369.87

Finding the Fourth Proportional to 212,233.05, 292,880.28 and 120,369.87

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Solution

The fourth proportional to 212,233.05, 292,880.28 and 120,369.87 is: 166,109.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,233.05 : 292,880.28 = 120,369.87 : x
  2. Step 2: Convert to fraction form
    212,233.05/292,880.28 = 120,369.87/x
  3. Step 3: Cross multiply
    212,233.05x = 292,880.28 × 120,369.87
  4. Step 4: Simplify right side
    212,233.05x = 35,253,961,229.16
  5. Step 5: Solve for x
    x = 35,253,961,229.16/212,233.05
  6. Step 6: Final answer
    x = 166,109.67

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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.