Home / 189,181.12-283,855.26-99,202.36

Finding the Fourth Proportional to 189,181.12, 283,855.26 and 99,202.36

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Solution

The fourth proportional to 189,181.12, 283,855.26 and 99,202.36 is: 148,847.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,181.12 : 283,855.26 = 99,202.36 : x
  2. Step 2: Convert to fraction form
    189,181.12/283,855.26 = 99,202.36/x
  3. Step 3: Cross multiply
    189,181.12x = 283,855.26 × 99,202.36
  4. Step 4: Simplify right side
    189,181.12x = 28,159,111,690.41
  5. Step 5: Solve for x
    x = 28,159,111,690.41/189,181.12
  6. Step 6: Final answer
    x = 148,847.37

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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.