Home / 147,325.75-203,309.54-80,257.75

Finding the Fourth Proportional to 147,325.75, 203,309.54 and 80,257.75

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Solution

The fourth proportional to 147,325.75, 203,309.54 and 80,257.75 is: 110,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,325.75 : 203,309.54 = 80,257.75 : x
  2. Step 2: Convert to fraction form
    147,325.75/203,309.54 = 80,257.75/x
  3. Step 3: Cross multiply
    147,325.75x = 203,309.54 × 80,257.75
  4. Step 4: Simplify right side
    147,325.75x = 16,317,166,233.94
  5. Step 5: Solve for x
    x = 16,317,166,233.94/147,325.75
  6. Step 6: Final answer
    x = 110,755.70

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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.