Home / 126,415.08-174,443.94-69,822

Finding the Fourth Proportional to 126,415.08, 174,443.94 and 69,822

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Solution

The fourth proportional to 126,415.08, 174,443.94 and 69,822 is: 96,349.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,415.08 : 174,443.94 = 69,822 : x
  2. Step 2: Convert to fraction form
    126,415.08/174,443.94 = 69,822/x
  3. Step 3: Cross multiply
    126,415.08x = 174,443.94 × 69,822
  4. Step 4: Simplify right side
    126,415.08x = 12,180,024,778.68
  5. Step 5: Solve for x
    x = 12,180,024,778.68/126,415.08
  6. Step 6: Final answer
    x = 96,349.46

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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.