Home / 224,416.28-309,806.70-139,560.68

Finding the Fourth Proportional to 224,416.28, 309,806.70 and 139,560.68

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Solution

The fourth proportional to 224,416.28, 309,806.70 and 139,560.68 is: 192,663.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,416.28 : 309,806.70 = 139,560.68 : x
  2. Step 2: Convert to fraction form
    224,416.28/309,806.70 = 139,560.68/x
  3. Step 3: Cross multiply
    224,416.28x = 309,806.70 × 139,560.68
  4. Step 4: Simplify right side
    224,416.28x = 43,236,833,720.56
  5. Step 5: Solve for x
    x = 43,236,833,720.56/224,416.28
  6. Step 6: Final answer
    x = 192,663.53

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1.5x scale

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.