Home / 224,102.25-309,261.16-122,127.74

Finding the Fourth Proportional to 224,102.25, 309,261.16 and 122,127.74

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Solution

The fourth proportional to 224,102.25, 309,261.16 and 122,127.74 is: 168,536.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,102.25 : 309,261.16 = 122,127.74 : x
  2. Step 2: Convert to fraction form
    224,102.25/309,261.16 = 122,127.74/x
  3. Step 3: Cross multiply
    224,102.25x = 309,261.16 × 122,127.74
  4. Step 4: Simplify right side
    224,102.25x = 37,769,366,540.58
  5. Step 5: Solve for x
    x = 37,769,366,540.58/224,102.25
  6. Step 6: Final answer
    x = 168,536.31

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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.