Home / 179,271.96-268,864.20-74,121

Finding the Fourth Proportional to 179,271.96, 268,864.20 and 74,121

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Solution

The fourth proportional to 179,271.96, 268,864.20 and 74,121 is: 111,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,271.96 : 268,864.20 = 74,121 : x
  2. Step 2: Convert to fraction form
    179,271.96/268,864.20 = 74,121/x
  3. Step 3: Cross multiply
    179,271.96x = 268,864.20 × 74,121
  4. Step 4: Simplify right side
    179,271.96x = 19,928,483,368.20
  5. Step 5: Solve for x
    x = 19,928,483,368.20/179,271.96
  6. Step 6: Final answer
    x = 111,163.42

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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.