Home / 119,826.08-179,739.12-40,940.96

Finding the Fourth Proportional to 119,826.08, 179,739.12 and 40,940.96

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Solution

The fourth proportional to 119,826.08, 179,739.12 and 40,940.96 is: 61,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,826.08 : 179,739.12 = 40,940.96 : x
  2. Step 2: Convert to fraction form
    119,826.08/179,739.12 = 40,940.96/x
  3. Step 3: Cross multiply
    119,826.08x = 179,739.12 × 40,940.96
  4. Step 4: Simplify right side
    119,826.08x = 7,358,692,122.36
  5. Step 5: Solve for x
    x = 7,358,692,122.36/119,826.08
  6. Step 6: Final answer
    x = 61,411.44

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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.