Home / 165,710.70-228,583.08-117,258.12

Finding the Fourth Proportional to 165,710.70, 228,583.08 and 117,258.12

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Solution

The fourth proportional to 165,710.70, 228,583.08 and 117,258.12 is: 161,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,710.70 : 228,583.08 = 117,258.12 : x
  2. Step 2: Convert to fraction form
    165,710.70/228,583.08 = 117,258.12/x
  3. Step 3: Cross multiply
    165,710.70x = 228,583.08 × 117,258.12
  4. Step 4: Simplify right side
    165,710.70x = 26,803,222,224.61
  5. Step 5: Solve for x
    x = 26,803,222,224.61/165,710.70
  6. Step 6: Final answer
    x = 161,747.08

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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.