Home / 202,944.24-280,044-137,399.76

Finding the Fourth Proportional to 202,944.24, 280,044 and 137,399.76

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Solution

The fourth proportional to 202,944.24, 280,044 and 137,399.76 is: 189,598.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,944.24 : 280,044 = 137,399.76 : x
  2. Step 2: Convert to fraction form
    202,944.24/280,044 = 137,399.76/x
  3. Step 3: Cross multiply
    202,944.24x = 280,044 × 137,399.76
  4. Step 4: Simplify right side
    202,944.24x = 38,477,978,389.44
  5. Step 5: Solve for x
    x = 38,477,978,389.44/202,944.24
  6. Step 6: Final answer
    x = 189,598.77

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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.