Home / 224,118.38-309,275.51-122,141.79

Finding the Fourth Proportional to 224,118.38, 309,275.51 and 122,141.79

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Solution

The fourth proportional to 224,118.38, 309,275.51 and 122,141.79 is: 168,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,118.38 : 309,275.51 = 122,141.79 : x
  2. Step 2: Convert to fraction form
    224,118.38/309,275.51 = 122,141.79/x
  3. Step 3: Cross multiply
    224,118.38x = 309,275.51 × 122,141.79
  4. Step 4: Simplify right side
    224,118.38x = 37,775,464,394.56
  5. Step 5: Solve for x
    x = 37,775,464,394.56/224,118.38
  6. Step 6: Final answer
    x = 168,551.39

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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.