Home / 212,211.21-292,846.68-116,715.87

Finding the Fourth Proportional to 212,211.21, 292,846.68 and 116,715.87

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Solution

The fourth proportional to 212,211.21, 292,846.68 and 116,715.87 is: 161,065.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,211.21 : 292,846.68 = 116,715.87 : x
  2. Step 2: Convert to fraction form
    212,211.21/292,846.68 = 116,715.87/x
  3. Step 3: Cross multiply
    212,211.21x = 292,846.68 × 116,715.87
  4. Step 4: Simplify right side
    212,211.21x = 34,179,855,032.81
  5. Step 5: Solve for x
    x = 34,179,855,032.81/212,211.21
  6. Step 6: Final answer
    x = 161,065.27

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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.