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Finding the Fourth Proportional to 146,100, 218,983.91 and 61,807.62

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Solution

The fourth proportional to 146,100, 218,983.91 and 61,807.62 is: 92,641.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,100 : 218,983.91 = 61,807.62 : x
  2. Step 2: Convert to fraction form
    146,100/218,983.91 = 61,807.62/x
  3. Step 3: Cross multiply
    146,100x = 218,983.91 × 61,807.62
  4. Step 4: Simplify right side
    146,100x = 13,534,873,986.36
  5. Step 5: Solve for x
    x = 13,534,873,986.36/146,100
  6. Step 6: Final answer
    x = 92,641.16

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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.