Home / 212,096.30-318,127.91-123,293.17

Finding the Fourth Proportional to 212,096.30, 318,127.91 and 123,293.17

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Solution

The fourth proportional to 212,096.30, 318,127.91 and 123,293.17 is: 184,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,096.30 : 318,127.91 = 123,293.17 : x
  2. Step 2: Convert to fraction form
    212,096.30/318,127.91 = 123,293.17/x
  3. Step 3: Cross multiply
    212,096.30x = 318,127.91 × 123,293.17
  4. Step 4: Simplify right side
    212,096.30x = 39,222,996,898.74
  5. Step 5: Solve for x
    x = 39,222,996,898.74/212,096.30
  6. Step 6: Final answer
    x = 184,930.13

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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.