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Finding the Fourth Proportional to 101,137.36, 139,622.02 and 73,882.84

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Solution

The fourth proportional to 101,137.36, 139,622.02 and 73,882.84 is: 101,996.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,137.36 : 139,622.02 = 73,882.84 : x
  2. Step 2: Convert to fraction form
    101,137.36/139,622.02 = 73,882.84/x
  3. Step 3: Cross multiply
    101,137.36x = 139,622.02 × 73,882.84
  4. Step 4: Simplify right side
    101,137.36x = 10,315,671,364.14
  5. Step 5: Solve for x
    x = 10,315,671,364.14/101,137.36
  6. Step 6: Final answer
    x = 101,996.64

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1.5x scale

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.