Home / 245,895.94-339,333.06-138,467.26

Finding the Fourth Proportional to 245,895.94, 339,333.06 and 138,467.26

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Solution

The fourth proportional to 245,895.94, 339,333.06 and 138,467.26 is: 191,082.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,895.94 : 339,333.06 = 138,467.26 : x
  2. Step 2: Convert to fraction form
    245,895.94/339,333.06 = 138,467.26/x
  3. Step 3: Cross multiply
    245,895.94x = 339,333.06 × 138,467.26
  4. Step 4: Simplify right side
    245,895.94x = 46,986,519,045.62
  5. Step 5: Solve for x
    x = 46,986,519,045.62/245,895.94
  6. Step 6: Final answer
    x = 191,082.94

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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.