Home / 148,509.49-204,942.87-80,526.34

Finding the Fourth Proportional to 148,509.49, 204,942.87 and 80,526.34

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Solution

The fourth proportional to 148,509.49, 204,942.87 and 80,526.34 is: 111,126.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,509.49 : 204,942.87 = 80,526.34 : x
  2. Step 2: Convert to fraction form
    148,509.49/204,942.87 = 80,526.34/x
  3. Step 3: Cross multiply
    148,509.49x = 204,942.87 × 80,526.34
  4. Step 4: Simplify right side
    148,509.49x = 16,503,299,230.20
  5. Step 5: Solve for x
    x = 16,503,299,230.20/148,509.49
  6. Step 6: Final answer
    x = 111,126.23

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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.