Home / 202,041.37-278,755.27-117,141.49

Finding the Fourth Proportional to 202,041.37, 278,755.27 and 117,141.49

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Solution

The fourth proportional to 202,041.37, 278,755.27 and 117,141.49 is: 161,619.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,041.37 : 278,755.27 = 117,141.49 : x
  2. Step 2: Convert to fraction form
    202,041.37/278,755.27 = 117,141.49/x
  3. Step 3: Cross multiply
    202,041.37x = 278,755.27 × 117,141.49
  4. Step 4: Simplify right side
    202,041.37x = 32,653,807,673.15
  5. Step 5: Solve for x
    x = 32,653,807,673.15/202,041.37
  6. Step 6: Final answer
    x = 161,619.41

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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.