Home / 201,631.44-278,193.96-130,053.36

Finding the Fourth Proportional to 201,631.44, 278,193.96 and 130,053.36

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Solution

The fourth proportional to 201,631.44, 278,193.96 and 130,053.36 is: 179,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,631.44 : 278,193.96 = 130,053.36 : x
  2. Step 2: Convert to fraction form
    201,631.44/278,193.96 = 130,053.36/x
  3. Step 3: Cross multiply
    201,631.44x = 278,193.96 × 130,053.36
  4. Step 4: Simplify right side
    201,631.44x = 36,180,059,229.71
  5. Step 5: Solve for x
    x = 36,180,059,229.71/201,631.44
  6. Step 6: Final answer
    x = 179,436.60

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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.