Home / 142,898.68-214,396.04-100,248.56

Finding the Fourth Proportional to 142,898.68, 214,396.04 and 100,248.56

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Solution

The fourth proportional to 142,898.68, 214,396.04 and 100,248.56 is: 150,406.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,898.68 : 214,396.04 = 100,248.56 : x
  2. Step 2: Convert to fraction form
    142,898.68/214,396.04 = 100,248.56/x
  3. Step 3: Cross multiply
    142,898.68x = 214,396.04 × 100,248.56
  4. Step 4: Simplify right side
    142,898.68x = 21,492,894,279.70
  5. Step 5: Solve for x
    x = 21,492,894,279.70/142,898.68
  6. Step 6: Final answer
    x = 150,406.53

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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.