Home / 146,196.99-201,746.14-91,778.42

Finding the Fourth Proportional to 146,196.99, 201,746.14 and 91,778.42

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Solution

The fourth proportional to 146,196.99, 201,746.14 and 91,778.42 is: 126,650.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,196.99 : 201,746.14 = 91,778.42 : x
  2. Step 2: Convert to fraction form
    146,196.99/201,746.14 = 91,778.42/x
  3. Step 3: Cross multiply
    146,196.99x = 201,746.14 × 91,778.42
  4. Step 4: Simplify right side
    146,196.99x = 18,515,941,970.30
  5. Step 5: Solve for x
    x = 18,515,941,970.30/146,196.99
  6. Step 6: Final answer
    x = 126,650.64

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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.