Home / 188,071.60-259,539.12-103,189.27

Finding the Fourth Proportional to 188,071.60, 259,539.12 and 103,189.27

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Solution

The fourth proportional to 188,071.60, 259,539.12 and 103,189.27 is: 142,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,071.60 : 259,539.12 = 103,189.27 : x
  2. Step 2: Convert to fraction form
    188,071.60/259,539.12 = 103,189.27/x
  3. Step 3: Cross multiply
    188,071.60x = 259,539.12 × 103,189.27
  4. Step 4: Simplify right side
    188,071.60x = 26,781,652,329.24
  5. Step 5: Solve for x
    x = 26,781,652,329.24/188,071.60
  6. Step 6: Final answer
    x = 142,401.36

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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.