Home / 148,478.37-204,900.21-80,495.34

Finding the Fourth Proportional to 148,478.37, 204,900.21 and 80,495.34

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Solution

The fourth proportional to 148,478.37, 204,900.21 and 80,495.34 is: 111,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,478.37 : 204,900.21 = 80,495.34 : x
  2. Step 2: Convert to fraction form
    148,478.37/204,900.21 = 80,495.34/x
  3. Step 3: Cross multiply
    148,478.37x = 204,900.21 × 80,495.34
  4. Step 4: Simplify right side
    148,478.37x = 16,493,512,070.02
  5. Step 5: Solve for x
    x = 16,493,512,070.02/148,478.37
  6. Step 6: Final answer
    x = 111,083.60

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1.5x scale

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.