Home / 212,748.96-319,123.44-124,002.12

Finding the Fourth Proportional to 212,748.96, 319,123.44 and 124,002.12

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Solution

The fourth proportional to 212,748.96, 319,123.44 and 124,002.12 is: 186,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,748.96 : 319,123.44 = 124,002.12 : x
  2. Step 2: Convert to fraction form
    212,748.96/319,123.44 = 124,002.12/x
  3. Step 3: Cross multiply
    212,748.96x = 319,123.44 × 124,002.12
  4. Step 4: Simplify right side
    212,748.96x = 39,571,983,101.69
  5. Step 5: Solve for x
    x = 39,571,983,101.69/212,748.96
  6. Step 6: Final answer
    x = 186,003.18

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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.