Home / 145,101.44-200,230.22-80,567.36

Finding the Fourth Proportional to 145,101.44, 200,230.22 and 80,567.36

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Solution

The fourth proportional to 145,101.44, 200,230.22 and 80,567.36 is: 111,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,101.44 : 200,230.22 = 80,567.36 : x
  2. Step 2: Convert to fraction form
    145,101.44/200,230.22 = 80,567.36/x
  3. Step 3: Cross multiply
    145,101.44x = 200,230.22 × 80,567.36
  4. Step 4: Simplify right side
    145,101.44x = 16,132,020,919.61
  5. Step 5: Solve for x
    x = 16,132,020,919.61/145,101.44
  6. Step 6: Final answer
    x = 111,177.54

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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.