Home / 128,825.44-193,281.44-49,942.24

Finding the Fourth Proportional to 128,825.44, 193,281.44 and 49,942.24

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Solution

The fourth proportional to 128,825.44, 193,281.44 and 49,942.24 is: 74,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,825.44 : 193,281.44 = 49,942.24 : x
  2. Step 2: Convert to fraction form
    128,825.44/193,281.44 = 49,942.24/x
  3. Step 3: Cross multiply
    128,825.44x = 193,281.44 × 49,942.24
  4. Step 4: Simplify right side
    128,825.44x = 9,652,908,064.03
  5. Step 5: Solve for x
    x = 9,652,908,064.03/128,825.44
  6. Step 6: Final answer
    x = 74,930.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.