Home / 126,277.44-174,256.08-78,529.44

Finding the Fourth Proportional to 126,277.44, 174,256.08 and 78,529.44

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Solution

The fourth proportional to 126,277.44, 174,256.08 and 78,529.44 is: 108,366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,277.44 : 174,256.08 = 78,529.44 : x
  2. Step 2: Convert to fraction form
    126,277.44/174,256.08 = 78,529.44/x
  3. Step 3: Cross multiply
    126,277.44x = 174,256.08 × 78,529.44
  4. Step 4: Simplify right side
    126,277.44x = 13,684,232,379.00
  5. Step 5: Solve for x
    x = 13,684,232,379.00/126,277.44
  6. Step 6: Final answer
    x = 108,366.41

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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.