Home / 148,333.76-204,701.40-80,351.60

Finding the Fourth Proportional to 148,333.76, 204,701.40 and 80,351.60

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Solution

The fourth proportional to 148,333.76, 204,701.40 and 80,351.60 is: 110,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,333.76 : 204,701.40 = 80,351.60 : x
  2. Step 2: Convert to fraction form
    148,333.76/204,701.40 = 80,351.60/x
  3. Step 3: Cross multiply
    148,333.76x = 204,701.40 × 80,351.60
  4. Step 4: Simplify right side
    148,333.76x = 16,448,085,012.24
  5. Step 5: Solve for x
    x = 16,448,085,012.24/148,333.76
  6. Step 6: Final answer
    x = 110,885.65

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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.