Home / 113,085.20-169,692.60-43,014.80

Finding the Fourth Proportional to 113,085.20, 169,692.60 and 43,014.80

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Solution

The fourth proportional to 113,085.20, 169,692.60 and 43,014.80 is: 64,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,085.20 : 169,692.60 = 43,014.80 : x
  2. Step 2: Convert to fraction form
    113,085.20/169,692.60 = 43,014.80/x
  3. Step 3: Cross multiply
    113,085.20x = 169,692.60 × 43,014.80
  4. Step 4: Simplify right side
    113,085.20x = 7,299,293,250.48
  5. Step 5: Solve for x
    x = 7,299,293,250.48/113,085.20
  6. Step 6: Final answer
    x = 64,546.85

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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.