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Finding the Fourth Proportional to 101,339.37, 139,829.09 and 63,596.61

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Solution

The fourth proportional to 101,339.37, 139,829.09 and 63,596.61 is: 87,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,339.37 : 139,829.09 = 63,596.61 : x
  2. Step 2: Convert to fraction form
    101,339.37/139,829.09 = 63,596.61/x
  3. Step 3: Cross multiply
    101,339.37x = 139,829.09 × 63,596.61
  4. Step 4: Simplify right side
    101,339.37x = 8,892,655,785.40
  5. Step 5: Solve for x
    x = 8,892,655,785.40/101,339.37
  6. Step 6: Final answer
    x = 87,751.24

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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.