Home / 239,217-330,134.58-131,787.24

Finding the Fourth Proportional to 239,217, 330,134.58 and 131,787.24

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Solution

The fourth proportional to 239,217, 330,134.58 and 131,787.24 is: 181,874.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,217 : 330,134.58 = 131,787.24 : x
  2. Step 2: Convert to fraction form
    239,217/330,134.58 = 131,787.24/x
  3. Step 3: Cross multiply
    239,217x = 330,134.58 × 131,787.24
  4. Step 4: Simplify right side
    239,217x = 43,507,525,126.76
  5. Step 5: Solve for x
    x = 43,507,525,126.76/239,217
  6. Step 6: Final answer
    x = 181,874.72

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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.