Home / 202,769.37-279,816.78-112,123.02

Finding the Fourth Proportional to 202,769.37, 279,816.78 and 112,123.02

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Solution

The fourth proportional to 202,769.37, 279,816.78 and 112,123.02 is: 154,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,769.37 : 279,816.78 = 112,123.02 : x
  2. Step 2: Convert to fraction form
    202,769.37/279,816.78 = 112,123.02/x
  3. Step 3: Cross multiply
    202,769.37x = 279,816.78 × 112,123.02
  4. Step 4: Simplify right side
    202,769.37x = 31,373,902,420.28
  5. Step 5: Solve for x
    x = 31,373,902,420.28/202,769.37
  6. Step 6: Final answer
    x = 154,727.03

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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.