Home / 201,745.02-278,314.58-130,148.10

Finding the Fourth Proportional to 201,745.02, 278,314.58 and 130,148.10

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Solution

The fourth proportional to 201,745.02, 278,314.58 and 130,148.10 is: 179,544.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,745.02 : 278,314.58 = 130,148.10 : x
  2. Step 2: Convert to fraction form
    201,745.02/278,314.58 = 130,148.10/x
  3. Step 3: Cross multiply
    201,745.02x = 278,314.58 × 130,148.10
  4. Step 4: Simplify right side
    201,745.02x = 36,222,113,789.30
  5. Step 5: Solve for x
    x = 36,222,113,789.30/201,745.02
  6. Step 6: Final answer
    x = 179,544.03

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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.