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Finding the Fourth Proportional to 173,126.88, 238,921.92 and 101,496.96

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Solution

The fourth proportional to 173,126.88, 238,921.92 and 101,496.96 is: 140,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,126.88 : 238,921.92 = 101,496.96 : x
  2. Step 2: Convert to fraction form
    173,126.88/238,921.92 = 101,496.96/x
  3. Step 3: Cross multiply
    173,126.88x = 238,921.92 × 101,496.96
  4. Step 4: Simplify right side
    173,126.88x = 24,249,848,557.36
  5. Step 5: Solve for x
    x = 24,249,848,557.36/173,126.88
  6. Step 6: Final answer
    x = 140,069.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.