Home / 126,069.30-189,158.92-41,840.64

Finding the Fourth Proportional to 126,069.30, 189,158.92 and 41,840.64

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Solution

The fourth proportional to 126,069.30, 189,158.92 and 41,840.64 is: 62,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,069.30 : 189,158.92 = 41,840.64 : x
  2. Step 2: Convert to fraction form
    126,069.30/189,158.92 = 41,840.64/x
  3. Step 3: Cross multiply
    126,069.30x = 189,158.92 × 41,840.64
  4. Step 4: Simplify right side
    126,069.30x = 7,914,530,274.51
  5. Step 5: Solve for x
    x = 7,914,530,274.51/126,069.30
  6. Step 6: Final answer
    x = 62,779.20

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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.