Home / 89,408.21-134,167.59-51,985.80

Finding the Fourth Proportional to 89,408.21, 134,167.59 and 51,985.80

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Solution

The fourth proportional to 89,408.21, 134,167.59 and 51,985.80 is: 78,010.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,408.21 : 134,167.59 = 51,985.80 : x
  2. Step 2: Convert to fraction form
    89,408.21/134,167.59 = 51,985.80/x
  3. Step 3: Cross multiply
    89,408.21x = 134,167.59 × 51,985.80
  4. Step 4: Simplify right side
    89,408.21x = 6,974,809,500.22
  5. Step 5: Solve for x
    x = 6,974,809,500.22/89,408.21
  6. Step 6: Final answer
    x = 78,010.84

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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.