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Finding the Fourth Proportional to 101,029.32, 139,362.60 and 63,237.96

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Solution

The fourth proportional to 101,029.32, 139,362.60 and 63,237.96 is: 87,232.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,029.32 : 139,362.60 = 63,237.96 : x
  2. Step 2: Convert to fraction form
    101,029.32/139,362.60 = 63,237.96/x
  3. Step 3: Cross multiply
    101,029.32x = 139,362.60 × 63,237.96
  4. Step 4: Simplify right side
    101,029.32x = 8,813,006,524.30
  5. Step 5: Solve for x
    x = 8,813,006,524.30/101,029.32
  6. Step 6: Final answer
    x = 87,232.17

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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.