Home / 212,725.02-319,062.78-54,941.04

Finding the Fourth Proportional to 212,725.02, 319,062.78 and 54,941.04

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Solution

The fourth proportional to 212,725.02, 319,062.78 and 54,941.04 is: 82,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,725.02 : 319,062.78 = 54,941.04 : x
  2. Step 2: Convert to fraction form
    212,725.02/319,062.78 = 54,941.04/x
  3. Step 3: Cross multiply
    212,725.02x = 319,062.78 × 54,941.04
  4. Step 4: Simplify right side
    212,725.02x = 17,529,640,958.49
  5. Step 5: Solve for x
    x = 17,529,640,958.49/212,725.02
  6. Step 6: Final answer
    x = 82,405.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.