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Finding the Fourth Proportional to 101,102.65, 139,500.03 and 58,087.41

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Solution

The fourth proportional to 101,102.65, 139,500.03 and 58,087.41 is: 80,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,102.65 : 139,500.03 = 58,087.41 : x
  2. Step 2: Convert to fraction form
    101,102.65/139,500.03 = 58,087.41/x
  3. Step 3: Cross multiply
    101,102.65x = 139,500.03 × 58,087.41
  4. Step 4: Simplify right side
    101,102.65x = 8,103,195,437.62
  5. Step 5: Solve for x
    x = 8,103,195,437.62/101,102.65
  6. Step 6: Final answer
    x = 80,148.20

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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.