Home / 189,086.40-283,629.30-87,829.08

Finding the Fourth Proportional to 189,086.40, 283,629.30 and 87,829.08

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Solution

The fourth proportional to 189,086.40, 283,629.30 and 87,829.08 is: 131,743.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,086.40 : 283,629.30 = 87,829.08 : x
  2. Step 2: Convert to fraction form
    189,086.40/283,629.30 = 87,829.08/x
  3. Step 3: Cross multiply
    189,086.40x = 283,629.30 × 87,829.08
  4. Step 4: Simplify right side
    189,086.40x = 24,910,900,480.04
  5. Step 5: Solve for x
    x = 24,910,900,480.04/189,086.40
  6. Step 6: Final answer
    x = 131,743.48

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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.