Home / 189,022.12-283,588.62-55,905.88

Finding the Fourth Proportional to 189,022.12, 283,588.62 and 55,905.88

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Solution

The fourth proportional to 189,022.12, 283,588.62 and 55,905.88 is: 83,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,022.12 : 283,588.62 = 55,905.88 : x
  2. Step 2: Convert to fraction form
    189,022.12/283,588.62 = 55,905.88/x
  3. Step 3: Cross multiply
    189,022.12x = 283,588.62 × 55,905.88
  4. Step 4: Simplify right side
    189,022.12x = 15,854,271,359.09
  5. Step 5: Solve for x
    x = 15,854,271,359.09/189,022.12
  6. Step 6: Final answer
    x = 83,875.22

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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.