Home / 147,968.13-204,196.37-80,904.45

Finding the Fourth Proportional to 147,968.13, 204,196.37 and 80,904.45

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Solution

The fourth proportional to 147,968.13, 204,196.37 and 80,904.45 is: 111,648.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,968.13 : 204,196.37 = 80,904.45 : x
  2. Step 2: Convert to fraction form
    147,968.13/204,196.37 = 80,904.45/x
  3. Step 3: Cross multiply
    147,968.13x = 204,196.37 × 80,904.45
  4. Step 4: Simplify right side
    147,968.13x = 16,520,395,006.85
  5. Step 5: Solve for x
    x = 16,520,395,006.85/147,968.13
  6. Step 6: Final answer
    x = 111,648.33

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1.5x scale

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.