Home / 212,907.27-293,798.64-122,199.42

Finding the Fourth Proportional to 212,907.27, 293,798.64 and 122,199.42

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Solution

The fourth proportional to 212,907.27, 293,798.64 and 122,199.42 is: 168,627.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,907.27 : 293,798.64 = 122,199.42 : x
  2. Step 2: Convert to fraction form
    212,907.27/293,798.64 = 122,199.42/x
  3. Step 3: Cross multiply
    212,907.27x = 293,798.64 × 122,199.42
  4. Step 4: Simplify right side
    212,907.27x = 35,902,023,404.79
  5. Step 5: Solve for x
    x = 35,902,023,404.79/212,907.27
  6. Step 6: Final answer
    x = 168,627.51

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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.