Home / 99,286.54-148,940.68-43,088.02

Finding the Fourth Proportional to 99,286.54, 148,940.68 and 43,088.02

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Solution

The fourth proportional to 99,286.54, 148,940.68 and 43,088.02 is: 64,636.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,286.54 : 148,940.68 = 43,088.02 : x
  2. Step 2: Convert to fraction form
    99,286.54/148,940.68 = 43,088.02/x
  3. Step 3: Cross multiply
    99,286.54x = 148,940.68 × 43,088.02
  4. Step 4: Simplify right side
    99,286.54x = 6,417,558,998.65
  5. Step 5: Solve for x
    x = 6,417,558,998.65/99,286.54
  6. Step 6: Final answer
    x = 64,636.75

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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.