Home / 107,518.30-161,277.72-32,639.02

Finding the Fourth Proportional to 107,518.30, 161,277.72 and 32,639.02

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Solution

The fourth proportional to 107,518.30, 161,277.72 and 32,639.02 is: 48,958.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,518.30 : 161,277.72 = 32,639.02 : x
  2. Step 2: Convert to fraction form
    107,518.30/161,277.72 = 32,639.02/x
  3. Step 3: Cross multiply
    107,518.30x = 161,277.72 × 32,639.02
  4. Step 4: Simplify right side
    107,518.30x = 5,263,946,728.63
  5. Step 5: Solve for x
    x = 5,263,946,728.63/107,518.30
  6. Step 6: Final answer
    x = 48,958.61

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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.