Home / 148,231.08-204,558.63-80,248.04

Finding the Fourth Proportional to 148,231.08, 204,558.63 and 80,248.04

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Solution

The fourth proportional to 148,231.08, 204,558.63 and 80,248.04 is: 110,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,231.08 : 204,558.63 = 80,248.04 : x
  2. Step 2: Convert to fraction form
    148,231.08/204,558.63 = 80,248.04/x
  3. Step 3: Cross multiply
    148,231.08x = 204,558.63 × 80,248.04
  4. Step 4: Simplify right side
    148,231.08x = 16,415,428,099.79
  5. Step 5: Solve for x
    x = 16,415,428,099.79/148,231.08
  6. Step 6: Final answer
    x = 110,742.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.