Home / 189,142.12-283,757.34-64,483.24

Finding the Fourth Proportional to 189,142.12, 283,757.34 and 64,483.24

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Solution

The fourth proportional to 189,142.12, 283,757.34 and 64,483.24 is: 96,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,142.12 : 283,757.34 = 64,483.24 : x
  2. Step 2: Convert to fraction form
    189,142.12/283,757.34 = 64,483.24/x
  3. Step 3: Cross multiply
    189,142.12x = 283,757.34 × 64,483.24
  4. Step 4: Simplify right side
    189,142.12x = 18,297,592,656.98
  5. Step 5: Solve for x
    x = 18,297,592,656.98/189,142.12
  6. Step 6: Final answer
    x = 96,739.92

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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.