Home / 117,288.36-161,858.52-113,050.44

Finding the Fourth Proportional to 117,288.36, 161,858.52 and 113,050.44

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Solution

The fourth proportional to 117,288.36, 161,858.52 and 113,050.44 is: 156,010.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,288.36 : 161,858.52 = 113,050.44 : x
  2. Step 2: Convert to fraction form
    117,288.36/161,858.52 = 113,050.44/x
  3. Step 3: Cross multiply
    117,288.36x = 161,858.52 × 113,050.44
  4. Step 4: Simplify right side
    117,288.36x = 18,298,176,903.75
  5. Step 5: Solve for x
    x = 18,298,176,903.75/117,288.36
  6. Step 6: Final answer
    x = 156,010.17

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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.