Home / 126,524.36-174,585.78-72,077.96

Finding the Fourth Proportional to 126,524.36, 174,585.78 and 72,077.96

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Solution

The fourth proportional to 126,524.36, 174,585.78 and 72,077.96 is: 99,457.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,524.36 : 174,585.78 = 72,077.96 : x
  2. Step 2: Convert to fraction form
    126,524.36/174,585.78 = 72,077.96/x
  3. Step 3: Cross multiply
    126,524.36x = 174,585.78 × 72,077.96
  4. Step 4: Simplify right side
    126,524.36x = 12,583,786,867.41
  5. Step 5: Solve for x
    x = 12,583,786,867.41/126,524.36
  6. Step 6: Final answer
    x = 99,457.42

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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.