Home / 224,205.81-309,229.07-143,640.84

Finding the Fourth Proportional to 224,205.81, 309,229.07 and 143,640.84

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Solution

The fourth proportional to 224,205.81, 309,229.07 and 143,640.84 is: 198,112.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,205.81 : 309,229.07 = 143,640.84 : x
  2. Step 2: Convert to fraction form
    224,205.81/309,229.07 = 143,640.84/x
  3. Step 3: Cross multiply
    224,205.81x = 309,229.07 × 143,640.84
  4. Step 4: Simplify right side
    224,205.81x = 44,417,921,489.41
  5. Step 5: Solve for x
    x = 44,417,921,489.41/224,205.81
  6. Step 6: Final answer
    x = 198,112.26

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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.