Home / 212,183.32-292,807.13-116,690

Finding the Fourth Proportional to 212,183.32, 292,807.13 and 116,690

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Solution

The fourth proportional to 212,183.32, 292,807.13 and 116,690 is: 161,028.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,183.32 : 292,807.13 = 116,690 : x
  2. Step 2: Convert to fraction form
    212,183.32/292,807.13 = 116,690/x
  3. Step 3: Cross multiply
    212,183.32x = 292,807.13 × 116,690
  4. Step 4: Simplify right side
    212,183.32x = 34,167,663,999.70
  5. Step 5: Solve for x
    x = 34,167,663,999.70/212,183.32
  6. Step 6: Final answer
    x = 161,028.99

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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.