Home / 212,664.84-319,043.03-106,106.10

Finding the Fourth Proportional to 212,664.84, 319,043.03 and 106,106.10

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Solution

The fourth proportional to 212,664.84, 319,043.03 and 106,106.10 is: 159,181.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,664.84 : 319,043.03 = 106,106.10 : x
  2. Step 2: Convert to fraction form
    212,664.84/319,043.03 = 106,106.10/x
  3. Step 3: Cross multiply
    212,664.84x = 319,043.03 × 106,106.10
  4. Step 4: Simplify right side
    212,664.84x = 33,852,411,114.95
  5. Step 5: Solve for x
    x = 33,852,411,114.95/212,664.84
  6. Step 6: Final answer
    x = 159,181.98

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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.