Home / 142,986.01-214,473.62-43,143.54

Finding the Fourth Proportional to 142,986.01, 214,473.62 and 43,143.54

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Solution

The fourth proportional to 142,986.01, 214,473.62 and 43,143.54 is: 64,713.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,986.01 : 214,473.62 = 43,143.54 : x
  2. Step 2: Convert to fraction form
    142,986.01/214,473.62 = 43,143.54/x
  3. Step 3: Cross multiply
    142,986.01x = 214,473.62 × 43,143.54
  4. Step 4: Simplify right side
    142,986.01x = 9,253,149,915.33
  5. Step 5: Solve for x
    x = 9,253,149,915.33/142,986.01
  6. Step 6: Final answer
    x = 64,713.68

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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.