Home / 148,109.37-204,390.09-80,126.16

Finding the Fourth Proportional to 148,109.37, 204,390.09 and 80,126.16

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Solution

The fourth proportional to 148,109.37, 204,390.09 and 80,126.16 is: 110,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,109.37 : 204,390.09 = 80,126.16 : x
  2. Step 2: Convert to fraction form
    148,109.37/204,390.09 = 80,126.16/x
  3. Step 3: Cross multiply
    148,109.37x = 204,390.09 × 80,126.16
  4. Step 4: Simplify right side
    148,109.37x = 16,376,993,053.75
  5. Step 5: Solve for x
    x = 16,376,993,053.75/148,109.37
  6. Step 6: Final answer
    x = 110,573.65

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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.