Home / 113,787.09-170,729.84-43,650

Finding the Fourth Proportional to 113,787.09, 170,729.84 and 43,650

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Solution

The fourth proportional to 113,787.09, 170,729.84 and 43,650 is: 65,493.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,787.09 : 170,729.84 = 43,650 : x
  2. Step 2: Convert to fraction form
    113,787.09/170,729.84 = 43,650/x
  3. Step 3: Cross multiply
    113,787.09x = 170,729.84 × 43,650
  4. Step 4: Simplify right side
    113,787.09x = 7,452,357,625.13
  5. Step 5: Solve for x
    x = 7,452,357,625.13/113,787.09
  6. Step 6: Final answer
    x = 65,493.88

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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.