Home / 209,067.51-288,750.32-140,967.07

Finding the Fourth Proportional to 209,067.51, 288,750.32 and 140,967.07

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Solution

The fourth proportional to 209,067.51, 288,750.32 and 140,967.07 is: 194,694.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,067.51 : 288,750.32 = 140,967.07 : x
  2. Step 2: Convert to fraction form
    209,067.51/288,750.32 = 140,967.07/x
  3. Step 3: Cross multiply
    209,067.51x = 288,750.32 × 140,967.07
  4. Step 4: Simplify right side
    209,067.51x = 40,704,285,673.88
  5. Step 5: Solve for x
    x = 40,704,285,673.88/209,067.51
  6. Step 6: Final answer
    x = 194,694.46

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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.