Home / 224,075.43-309,221.28-122,105.34

Finding the Fourth Proportional to 224,075.43, 309,221.28 and 122,105.34

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Solution

The fourth proportional to 224,075.43, 309,221.28 and 122,105.34 is: 168,503.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,075.43 : 309,221.28 = 122,105.34 : x
  2. Step 2: Convert to fraction form
    224,075.43/309,221.28 = 122,105.34/x
  3. Step 3: Cross multiply
    224,075.43x = 309,221.28 × 122,105.34
  4. Step 4: Simplify right side
    224,075.43x = 37,757,569,529.64
  5. Step 5: Solve for x
    x = 37,757,569,529.64/224,075.43
  6. Step 6: Final answer
    x = 168,503.84

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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.