Home / 126,289.58-174,283.25-68,932.47

Finding the Fourth Proportional to 126,289.58, 174,283.25 and 68,932.47

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Solution

The fourth proportional to 126,289.58, 174,283.25 and 68,932.47 is: 95,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,289.58 : 174,283.25 = 68,932.47 : x
  2. Step 2: Convert to fraction form
    126,289.58/174,283.25 = 68,932.47/x
  3. Step 3: Cross multiply
    126,289.58x = 174,283.25 × 68,932.47
  4. Step 4: Simplify right side
    126,289.58x = 12,013,774,230.68
  5. Step 5: Solve for x
    x = 12,013,774,230.68/126,289.58
  6. Step 6: Final answer
    x = 95,128.78

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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.