Home / 148,144.75-204,440.16-81,076.75

Finding the Fourth Proportional to 148,144.75, 204,440.16 and 81,076.75

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Solution

The fourth proportional to 148,144.75, 204,440.16 and 81,076.75 is: 111,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,144.75 : 204,440.16 = 81,076.75 : x
  2. Step 2: Convert to fraction form
    148,144.75/204,440.16 = 81,076.75/x
  3. Step 3: Cross multiply
    148,144.75x = 204,440.16 × 81,076.75
  4. Step 4: Simplify right side
    148,144.75x = 16,575,343,742.28
  5. Step 5: Solve for x
    x = 16,575,343,742.28/148,144.75
  6. Step 6: Final answer
    x = 111,886.14

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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.