Home / 159,639.45-239,552.37-88,621.89

Finding the Fourth Proportional to 159,639.45, 239,552.37 and 88,621.89

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Solution

The fourth proportional to 159,639.45, 239,552.37 and 88,621.89 is: 132,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,639.45 : 239,552.37 = 88,621.89 : x
  2. Step 2: Convert to fraction form
    159,639.45/239,552.37 = 88,621.89/x
  3. Step 3: Cross multiply
    159,639.45x = 239,552.37 × 88,621.89
  4. Step 4: Simplify right side
    159,639.45x = 21,229,583,783.38
  5. Step 5: Solve for x
    x = 21,229,583,783.38/159,639.45
  6. Step 6: Final answer
    x = 132,984.57

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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.