Home / 134,408.25-201,534.98-80,426.67

Finding the Fourth Proportional to 134,408.25, 201,534.98 and 80,426.67

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Solution

The fourth proportional to 134,408.25, 201,534.98 and 80,426.67 is: 120,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,408.25 : 201,534.98 = 80,426.67 : x
  2. Step 2: Convert to fraction form
    134,408.25/201,534.98 = 80,426.67/x
  3. Step 3: Cross multiply
    134,408.25x = 201,534.98 × 80,426.67
  4. Step 4: Simplify right side
    134,408.25x = 16,208,786,927.78
  5. Step 5: Solve for x
    x = 16,208,786,927.78/134,408.25
  6. Step 6: Final answer
    x = 120,593.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.