Home / 132,896.09-183,393.29-72,467.91

Finding the Fourth Proportional to 132,896.09, 183,393.29 and 72,467.91

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Solution

The fourth proportional to 132,896.09, 183,393.29 and 72,467.91 is: 100,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,896.09 : 183,393.29 = 72,467.91 : x
  2. Step 2: Convert to fraction form
    132,896.09/183,393.29 = 72,467.91/x
  3. Step 3: Cross multiply
    132,896.09x = 183,393.29 × 72,467.91
  4. Step 4: Simplify right side
    132,896.09x = 13,290,128,071.98
  5. Step 5: Solve for x
    x = 13,290,128,071.98/132,896.09
  6. Step 6: Final answer
    x = 100,003.91

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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.