Home / 245,936.08-339,408.30-137,057.32

Finding the Fourth Proportional to 245,936.08, 339,408.30 and 137,057.32

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Solution

The fourth proportional to 245,936.08, 339,408.30 and 137,057.32 is: 189,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,936.08 : 339,408.30 = 137,057.32 : x
  2. Step 2: Convert to fraction form
    245,936.08/339,408.30 = 137,057.32/x
  3. Step 3: Cross multiply
    245,936.08x = 339,408.30 × 137,057.32
  4. Step 4: Simplify right side
    245,936.08x = 46,518,391,983.76
  5. Step 5: Solve for x
    x = 46,518,391,983.76/245,936.08
  6. Step 6: Final answer
    x = 189,148.30

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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.