Home / 239,467.54-330,513.09-137,562.90

Finding the Fourth Proportional to 239,467.54, 330,513.09 and 137,562.90

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Solution

The fourth proportional to 239,467.54, 330,513.09 and 137,562.90 is: 189,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,467.54 : 330,513.09 = 137,562.90 : x
  2. Step 2: Convert to fraction form
    239,467.54/330,513.09 = 137,562.90/x
  3. Step 3: Cross multiply
    239,467.54x = 330,513.09 × 137,562.90
  4. Step 4: Simplify right side
    239,467.54x = 45,466,339,148.36
  5. Step 5: Solve for x
    x = 45,466,339,148.36/239,467.54
  6. Step 6: Final answer
    x = 189,864.31

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1.5x scale

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.