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Finding the Fourth Proportional to 124,247, 186,399.66 and 41,141

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Solution

The fourth proportional to 124,247, 186,399.66 and 41,141 is: 61,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,247 : 186,399.66 = 41,141 : x
  2. Step 2: Convert to fraction form
    124,247/186,399.66 = 41,141/x
  3. Step 3: Cross multiply
    124,247x = 186,399.66 × 41,141
  4. Step 4: Simplify right side
    124,247x = 7,668,668,412.06
  5. Step 5: Solve for x
    x = 7,668,668,412.06/124,247
  6. Step 6: Final answer
    x = 61,721.16

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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.