Home / 202,983.36-280,023.48-131,386.36

Finding the Fourth Proportional to 202,983.36, 280,023.48 and 131,386.36

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Solution

The fourth proportional to 202,983.36, 280,023.48 and 131,386.36 is: 181,252.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,983.36 : 280,023.48 = 131,386.36 : x
  2. Step 2: Convert to fraction form
    202,983.36/280,023.48 = 131,386.36/x
  3. Step 3: Cross multiply
    202,983.36x = 280,023.48 × 131,386.36
  4. Step 4: Simplify right side
    202,983.36x = 36,791,265,751.73
  5. Step 5: Solve for x
    x = 36,791,265,751.73/202,983.36
  6. Step 6: Final answer
    x = 181,252.62

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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.