Home / 144,172.37-198,914.40-83,731.37

Finding the Fourth Proportional to 144,172.37, 198,914.40 and 83,731.37

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Solution

The fourth proportional to 144,172.37, 198,914.40 and 83,731.37 is: 115,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,172.37 : 198,914.40 = 83,731.37 : x
  2. Step 2: Convert to fraction form
    144,172.37/198,914.40 = 83,731.37/x
  3. Step 3: Cross multiply
    144,172.37x = 198,914.40 × 83,731.37
  4. Step 4: Simplify right side
    144,172.37x = 16,655,374,230.16
  5. Step 5: Solve for x
    x = 16,655,374,230.16/144,172.37
  6. Step 6: Final answer
    x = 115,524.04

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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.