Home / 119,839.28-179,745.64-42,899.21

Finding the Fourth Proportional to 119,839.28, 179,745.64 and 42,899.21

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Solution

The fourth proportional to 119,839.28, 179,745.64 and 42,899.21 is: 64,344.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,839.28 : 179,745.64 = 42,899.21 : x
  2. Step 2: Convert to fraction form
    119,839.28/179,745.64 = 42,899.21/x
  3. Step 3: Cross multiply
    119,839.28x = 179,745.64 × 42,899.21
  4. Step 4: Simplify right side
    119,839.28x = 7,710,945,625.01
  5. Step 5: Solve for x
    x = 7,710,945,625.01/119,839.28
  6. Step 6: Final answer
    x = 64,344.06

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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.