Home / 188,261.63-259,801.02-102,220.19

Finding the Fourth Proportional to 188,261.63, 259,801.02 and 102,220.19

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Solution

The fourth proportional to 188,261.63, 259,801.02 and 102,220.19 is: 141,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,261.63 : 259,801.02 = 102,220.19 : x
  2. Step 2: Convert to fraction form
    188,261.63/259,801.02 = 102,220.19/x
  3. Step 3: Cross multiply
    188,261.63x = 259,801.02 × 102,220.19
  4. Step 4: Simplify right side
    188,261.63x = 26,556,909,667.19
  5. Step 5: Solve for x
    x = 26,556,909,667.19/188,261.63
  6. Step 6: Final answer
    x = 141,063.85

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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.