Home / 169,128.37-253,785.44-98,137.81

Finding the Fourth Proportional to 169,128.37, 253,785.44 and 98,137.81

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Solution

The fourth proportional to 169,128.37, 253,785.44 and 98,137.81 is: 147,260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,128.37 : 253,785.44 = 98,137.81 : x
  2. Step 2: Convert to fraction form
    169,128.37/253,785.44 = 98,137.81/x
  3. Step 3: Cross multiply
    169,128.37x = 253,785.44 × 98,137.81
  4. Step 4: Simplify right side
    169,128.37x = 24,905,947,291.49
  5. Step 5: Solve for x
    x = 24,905,947,291.49/169,128.37
  6. Step 6: Final answer
    x = 147,260.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.