Home / 245,853.31-339,288.03-136,957.52

Finding the Fourth Proportional to 245,853.31, 339,288.03 and 136,957.52

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Solution

The fourth proportional to 245,853.31, 339,288.03 and 136,957.52 is: 189,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,853.31 : 339,288.03 = 136,957.52 : x
  2. Step 2: Convert to fraction form
    245,853.31/339,288.03 = 136,957.52/x
  3. Step 3: Cross multiply
    245,853.31x = 339,288.03 × 136,957.52
  4. Step 4: Simplify right side
    245,853.31x = 46,468,047,154.49
  5. Step 5: Solve for x
    x = 46,468,047,154.49/245,853.31
  6. Step 6: Final answer
    x = 189,007.21

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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.