Home / 212,182.58-292,815.51-121,546.46

Finding the Fourth Proportional to 212,182.58, 292,815.51 and 121,546.46

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Solution

The fourth proportional to 212,182.58, 292,815.51 and 121,546.46 is: 167,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,182.58 : 292,815.51 = 121,546.46 : x
  2. Step 2: Convert to fraction form
    212,182.58/292,815.51 = 121,546.46/x
  3. Step 3: Cross multiply
    212,182.58x = 292,815.51 × 121,546.46
  4. Step 4: Simplify right side
    212,182.58x = 35,590,687,209.52
  5. Step 5: Solve for x
    x = 35,590,687,209.52/212,182.58
  6. Step 6: Final answer
    x = 167,736.15

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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.