Home / 132,782.09-183,236.94-72,353.25

Finding the Fourth Proportional to 132,782.09, 183,236.94 and 72,353.25

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Solution

The fourth proportional to 132,782.09, 183,236.94 and 72,353.25 is: 99,846.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,782.09 : 183,236.94 = 72,353.25 : x
  2. Step 2: Convert to fraction form
    132,782.09/183,236.94 = 72,353.25/x
  3. Step 3: Cross multiply
    132,782.09x = 183,236.94 × 72,353.25
  4. Step 4: Simplify right side
    132,782.09x = 13,257,788,129.06
  5. Step 5: Solve for x
    x = 13,257,788,129.06/132,782.09
  6. Step 6: Final answer
    x = 99,846.21

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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.