Home / 212,237.30-318,395.32-70,092.42

Finding the Fourth Proportional to 212,237.30, 318,395.32 and 70,092.42

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Solution

The fourth proportional to 212,237.30, 318,395.32 and 70,092.42 is: 105,151.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,237.30 : 318,395.32 = 70,092.42 : x
  2. Step 2: Convert to fraction form
    212,237.30/318,395.32 = 70,092.42/x
  3. Step 3: Cross multiply
    212,237.30x = 318,395.32 × 70,092.42
  4. Step 4: Simplify right side
    212,237.30x = 22,317,098,320.24
  5. Step 5: Solve for x
    x = 22,317,098,320.24/212,237.30
  6. Step 6: Final answer
    x = 105,151.63

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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.