Home / 148,122.76-204,408.58-80,139.56

Finding the Fourth Proportional to 148,122.76, 204,408.58 and 80,139.56

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Solution

The fourth proportional to 148,122.76, 204,408.58 and 80,139.56 is: 110,592.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,122.76 : 204,408.58 = 80,139.56 : x
  2. Step 2: Convert to fraction form
    148,122.76/204,408.58 = 80,139.56/x
  3. Step 3: Cross multiply
    148,122.76x = 204,408.58 × 80,139.56
  4. Step 4: Simplify right side
    148,122.76x = 16,381,213,661.42
  5. Step 5: Solve for x
    x = 16,381,213,661.42/148,122.76
  6. Step 6: Final answer
    x = 110,592.14

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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.