Home / 224,178.48-309,360.09-122,205.90

Finding the Fourth Proportional to 224,178.48, 309,360.09 and 122,205.90

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Solution

The fourth proportional to 224,178.48, 309,360.09 and 122,205.90 is: 168,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,178.48 : 309,360.09 = 122,205.90 : x
  2. Step 2: Convert to fraction form
    224,178.48/309,360.09 = 122,205.90/x
  3. Step 3: Cross multiply
    224,178.48x = 309,360.09 × 122,205.90
  4. Step 4: Simplify right side
    224,178.48x = 37,805,628,222.53
  5. Step 5: Solve for x
    x = 37,805,628,222.53/224,178.48
  6. Step 6: Final answer
    x = 168,640.76

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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.