Home / 188,109.59-259,594.40-103,234.55

Finding the Fourth Proportional to 188,109.59, 259,594.40 and 103,234.55

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Solution

The fourth proportional to 188,109.59, 259,594.40 and 103,234.55 is: 142,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,109.59 : 259,594.40 = 103,234.55 : x
  2. Step 2: Convert to fraction form
    188,109.59/259,594.40 = 103,234.55/x
  3. Step 3: Cross multiply
    188,109.59x = 259,594.40 × 103,234.55
  4. Step 4: Simplify right side
    188,109.59x = 26,799,110,026.63
  5. Step 5: Solve for x
    x = 26,799,110,026.63/188,109.59
  6. Step 6: Final answer
    x = 142,465.41

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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.