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Finding the Fourth Proportional to 164,803.36, 246,614.54 and 142,693.06

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Solution

The fourth proportional to 164,803.36, 246,614.54 and 142,693.06 is: 213,528.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,803.36 : 246,614.54 = 142,693.06 : x
  2. Step 2: Convert to fraction form
    164,803.36/246,614.54 = 142,693.06/x
  3. Step 3: Cross multiply
    164,803.36x = 246,614.54 × 142,693.06
  4. Step 4: Simplify right side
    164,803.36x = 35,190,183,353.09
  5. Step 5: Solve for x
    x = 35,190,183,353.09/164,803.36
  6. Step 6: Final answer
    x = 213,528.31

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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.