Home / 113,828.70-170,743.05-80,586.30

Finding the Fourth Proportional to 113,828.70, 170,743.05 and 80,586.30

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Solution

The fourth proportional to 113,828.70, 170,743.05 and 80,586.30 is: 120,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,828.70 : 170,743.05 = 80,586.30 : x
  2. Step 2: Convert to fraction form
    113,828.70/170,743.05 = 80,586.30/x
  3. Step 3: Cross multiply
    113,828.70x = 170,743.05 × 80,586.30
  4. Step 4: Simplify right side
    113,828.70x = 13,759,550,650.22
  5. Step 5: Solve for x
    x = 13,759,550,650.22/113,828.70
  6. Step 6: Final answer
    x = 120,879.45

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1.5x scale

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.