Home / 212,274.54-292,980.73-121,691.33

Finding the Fourth Proportional to 212,274.54, 292,980.73 and 121,691.33

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Solution

The fourth proportional to 212,274.54, 292,980.73 and 121,691.33 is: 167,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,274.54 : 292,980.73 = 121,691.33 : x
  2. Step 2: Convert to fraction form
    212,274.54/292,980.73 = 121,691.33/x
  3. Step 3: Cross multiply
    212,274.54x = 292,980.73 × 121,691.33
  4. Step 4: Simplify right side
    212,274.54x = 35,653,213,233.17
  5. Step 5: Solve for x
    x = 35,653,213,233.17/212,274.54
  6. Step 6: Final answer
    x = 167,958.03

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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.