Home / 188,085.19-282,173.34-108,174.28

Finding the Fourth Proportional to 188,085.19, 282,173.34 and 108,174.28

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Solution

The fourth proportional to 188,085.19, 282,173.34 and 108,174.28 is: 162,287.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,085.19 : 282,173.34 = 108,174.28 : x
  2. Step 2: Convert to fraction form
    188,085.19/282,173.34 = 108,174.28/x
  3. Step 3: Cross multiply
    188,085.19x = 282,173.34 × 108,174.28
  4. Step 4: Simplify right side
    188,085.19x = 30,523,897,889.70
  5. Step 5: Solve for x
    x = 30,523,897,889.70/188,085.19
  6. Step 6: Final answer
    x = 162,287.62

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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.