Home / 122,875.45-169,584.44-69,171.03

Finding the Fourth Proportional to 122,875.45, 169,584.44 and 69,171.03

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Solution

The fourth proportional to 122,875.45, 169,584.44 and 69,171.03 is: 95,465.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,875.45 : 169,584.44 = 69,171.03 : x
  2. Step 2: Convert to fraction form
    122,875.45/169,584.44 = 69,171.03/x
  3. Step 3: Cross multiply
    122,875.45x = 169,584.44 × 69,171.03
  4. Step 4: Simplify right side
    122,875.45x = 11,730,330,040.92
  5. Step 5: Solve for x
    x = 11,730,330,040.92/122,875.45
  6. Step 6: Final answer
    x = 95,465.21

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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.