Home / 207,162.68-285,906.40-126,637.32

Finding the Fourth Proportional to 207,162.68, 285,906.40 and 126,637.32

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Solution

The fourth proportional to 207,162.68, 285,906.40 and 126,637.32 is: 174,772.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,162.68 : 285,906.40 = 126,637.32 : x
  2. Step 2: Convert to fraction form
    207,162.68/285,906.40 = 126,637.32/x
  3. Step 3: Cross multiply
    207,162.68x = 285,906.40 × 126,637.32
  4. Step 4: Simplify right side
    207,162.68x = 36,206,420,266.85
  5. Step 5: Solve for x
    x = 36,206,420,266.85/207,162.68
  6. Step 6: Final answer
    x = 174,772.89

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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.