Home / 212,287.06-292,922.75-121,625.56

Finding the Fourth Proportional to 212,287.06, 292,922.75 and 121,625.56

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Solution

The fourth proportional to 212,287.06, 292,922.75 and 121,625.56 is: 167,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,287.06 : 292,922.75 = 121,625.56 : x
  2. Step 2: Convert to fraction form
    212,287.06/292,922.75 = 121,625.56/x
  3. Step 3: Cross multiply
    212,287.06x = 292,922.75 × 121,625.56
  4. Step 4: Simplify right side
    212,287.06x = 35,626,893,505.49
  5. Step 5: Solve for x
    x = 35,626,893,505.49/212,287.06
  6. Step 6: Final answer
    x = 167,824.14

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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.