Home / 198,973.96-274,496.88-130,903.36

Finding the Fourth Proportional to 198,973.96, 274,496.88 and 130,903.36

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Solution

The fourth proportional to 198,973.96, 274,496.88 and 130,903.36 is: 180,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,973.96 : 274,496.88 = 130,903.36 : x
  2. Step 2: Convert to fraction form
    198,973.96/274,496.88 = 130,903.36/x
  3. Step 3: Cross multiply
    198,973.96x = 274,496.88 × 130,903.36
  4. Step 4: Simplify right side
    198,973.96x = 35,932,563,901.52
  5. Step 5: Solve for x
    x = 35,932,563,901.52/198,973.96
  6. Step 6: Final answer
    x = 180,589.28

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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.