Home / 126,729.43-174,886.09-68,586.03

Finding the Fourth Proportional to 126,729.43, 174,886.09 and 68,586.03

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Solution

The fourth proportional to 126,729.43, 174,886.09 and 68,586.03 is: 94,648.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,729.43 : 174,886.09 = 68,586.03 : x
  2. Step 2: Convert to fraction form
    126,729.43/174,886.09 = 68,586.03/x
  3. Step 3: Cross multiply
    126,729.43x = 174,886.09 × 68,586.03
  4. Step 4: Simplify right side
    126,729.43x = 11,994,742,443.86
  5. Step 5: Solve for x
    x = 11,994,742,443.86/126,729.43
  6. Step 6: Final answer
    x = 94,648.44

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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.