Home / 132,989.22-183,529.62-72,563.22

Finding the Fourth Proportional to 132,989.22, 183,529.62 and 72,563.22

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Solution

The fourth proportional to 132,989.22, 183,529.62 and 72,563.22 is: 100,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,989.22 : 183,529.62 = 72,563.22 : x
  2. Step 2: Convert to fraction form
    132,989.22/183,529.62 = 72,563.22/x
  3. Step 3: Cross multiply
    132,989.22x = 183,529.62 × 72,563.22
  4. Step 4: Simplify right side
    132,989.22x = 13,317,500,192.58
  5. Step 5: Solve for x
    x = 13,317,500,192.58/132,989.22
  6. Step 6: Final answer
    x = 100,139.70

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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.