Home / 224,140.85-309,305.35-122,164.13

Finding the Fourth Proportional to 224,140.85, 309,305.35 and 122,164.13

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Solution

The fourth proportional to 224,140.85, 309,305.35 and 122,164.13 is: 168,581.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,140.85 : 309,305.35 = 122,164.13 : x
  2. Step 2: Convert to fraction form
    224,140.85/309,305.35 = 122,164.13/x
  3. Step 3: Cross multiply
    224,140.85x = 309,305.35 × 122,164.13
  4. Step 4: Simplify right side
    224,140.85x = 37,786,017,135.16
  5. Step 5: Solve for x
    x = 37,786,017,135.16/224,140.85
  6. Step 6: Final answer
    x = 168,581.58

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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.