Home / 179,815.30-270,014.55-120,912.10

Finding the Fourth Proportional to 179,815.30, 270,014.55 and 120,912.10

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Solution

The fourth proportional to 179,815.30, 270,014.55 and 120,912.10 is: 181,564.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,815.30 : 270,014.55 = 120,912.10 : x
  2. Step 2: Convert to fraction form
    179,815.30/270,014.55 = 120,912.10/x
  3. Step 3: Cross multiply
    179,815.30x = 270,014.55 × 120,912.10
  4. Step 4: Simplify right side
    179,815.30x = 32,648,026,271.06
  5. Step 5: Solve for x
    x = 32,648,026,271.06/179,815.30
  6. Step 6: Final answer
    x = 181,564.23

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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.