Home / 152,903.37-229,005.87-72,997.56

Finding the Fourth Proportional to 152,903.37, 229,005.87 and 72,997.56

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Solution

The fourth proportional to 152,903.37, 229,005.87 and 72,997.56 is: 109,329.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,903.37 : 229,005.87 = 72,997.56 : x
  2. Step 2: Convert to fraction form
    152,903.37/229,005.87 = 72,997.56/x
  3. Step 3: Cross multiply
    152,903.37x = 229,005.87 × 72,997.56
  4. Step 4: Simplify right side
    152,903.37x = 16,716,869,735.68
  5. Step 5: Solve for x
    x = 16,716,869,735.68/152,903.37
  6. Step 6: Final answer
    x = 109,329.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.