Home / 239,140.54-358,586.25-89,257.56

Finding the Fourth Proportional to 239,140.54, 358,586.25 and 89,257.56

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Solution

The fourth proportional to 239,140.54, 358,586.25 and 89,257.56 is: 133,839.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,140.54 : 358,586.25 = 89,257.56 : x
  2. Step 2: Convert to fraction form
    239,140.54/358,586.25 = 89,257.56/x
  3. Step 3: Cross multiply
    239,140.54x = 358,586.25 × 89,257.56
  4. Step 4: Simplify right side
    239,140.54x = 32,006,533,724.55
  5. Step 5: Solve for x
    x = 32,006,533,724.55/239,140.54
  6. Step 6: Final answer
    x = 133,839.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.