Home / 251,849.32-347,554.38-138,676.12

Finding the Fourth Proportional to 251,849.32, 347,554.38 and 138,676.12

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Solution

The fourth proportional to 251,849.32, 347,554.38 and 138,676.12 is: 191,374.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,849.32 : 347,554.38 = 138,676.12 : x
  2. Step 2: Convert to fraction form
    251,849.32/347,554.38 = 138,676.12/x
  3. Step 3: Cross multiply
    251,849.32x = 347,554.38 × 138,676.12
  4. Step 4: Simplify right side
    251,849.32x = 48,197,492,907.41
  5. Step 5: Solve for x
    x = 48,197,492,907.41/251,849.32
  6. Step 6: Final answer
    x = 191,374.32

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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.