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Finding the Fourth Proportional to 162,693.36, 244,512.36 and 107,639.28

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Solution

The fourth proportional to 162,693.36, 244,512.36 and 107,639.28 is: 161,771.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,693.36 : 244,512.36 = 107,639.28 : x
  2. Step 2: Convert to fraction form
    162,693.36/244,512.36 = 107,639.28/x
  3. Step 3: Cross multiply
    162,693.36x = 244,512.36 × 107,639.28
  4. Step 4: Simplify right side
    162,693.36x = 26,319,134,381.50
  5. Step 5: Solve for x
    x = 26,319,134,381.50/162,693.36
  6. Step 6: Final answer
    x = 161,771.41

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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.