Home / 126,533.24-174,615.86-69,172.80

Finding the Fourth Proportional to 126,533.24, 174,615.86 and 69,172.80

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Solution

The fourth proportional to 126,533.24, 174,615.86 and 69,172.80 is: 95,458.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,533.24 : 174,615.86 = 69,172.80 : x
  2. Step 2: Convert to fraction form
    126,533.24/174,615.86 = 69,172.80/x
  3. Step 3: Cross multiply
    126,533.24x = 174,615.86 × 69,172.80
  4. Step 4: Simplify right side
    126,533.24x = 12,078,667,960.61
  5. Step 5: Solve for x
    x = 12,078,667,960.61/126,533.24
  6. Step 6: Final answer
    x = 95,458.46

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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.