Home / 202,723.56-279,588.78-151,855.83

Finding the Fourth Proportional to 202,723.56, 279,588.78 and 151,855.83

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Solution

The fourth proportional to 202,723.56, 279,588.78 and 151,855.83 is: 209,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,723.56 : 279,588.78 = 151,855.83 : x
  2. Step 2: Convert to fraction form
    202,723.56/279,588.78 = 151,855.83/x
  3. Step 3: Cross multiply
    202,723.56x = 279,588.78 × 151,855.83
  4. Step 4: Simplify right side
    202,723.56x = 42,457,186,245.59
  5. Step 5: Solve for x
    x = 42,457,186,245.59/202,723.56
  6. Step 6: Final answer
    x = 209,433.90

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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.