Home / 207,650.07-286,559.78-122,766.39

Finding the Fourth Proportional to 207,650.07, 286,559.78 and 122,766.39

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Solution

The fourth proportional to 207,650.07, 286,559.78 and 122,766.39 is: 169,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,650.07 : 286,559.78 = 122,766.39 : x
  2. Step 2: Convert to fraction form
    207,650.07/286,559.78 = 122,766.39/x
  3. Step 3: Cross multiply
    207,650.07x = 286,559.78 × 122,766.39
  4. Step 4: Simplify right side
    207,650.07x = 35,179,909,709.79
  5. Step 5: Solve for x
    x = 35,179,909,709.79/207,650.07
  6. Step 6: Final answer
    x = 169,419.20

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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.