Home / 207,025.80-285,912.48-142,662.39

Finding the Fourth Proportional to 207,025.80, 285,912.48 and 142,662.39

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Solution

The fourth proportional to 207,025.80, 285,912.48 and 142,662.39 is: 197,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,025.80 : 285,912.48 = 142,662.39 : x
  2. Step 2: Convert to fraction form
    207,025.80/285,912.48 = 142,662.39/x
  3. Step 3: Cross multiply
    207,025.80x = 285,912.48 × 142,662.39
  4. Step 4: Simplify right side
    207,025.80x = 40,788,957,727.63
  5. Step 5: Solve for x
    x = 40,788,957,727.63/207,025.80
  6. Step 6: Final answer
    x = 197,023.55

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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.