Home / 165,378.60-228,203.46-93,744.36

Finding the Fourth Proportional to 165,378.60, 228,203.46 and 93,744.36

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Solution

The fourth proportional to 165,378.60, 228,203.46 and 93,744.36 is: 129,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,378.60 : 228,203.46 = 93,744.36 : x
  2. Step 2: Convert to fraction form
    165,378.60/228,203.46 = 93,744.36/x
  3. Step 3: Cross multiply
    165,378.60x = 228,203.46 × 93,744.36
  4. Step 4: Simplify right side
    165,378.60x = 21,392,787,307.49
  5. Step 5: Solve for x
    x = 21,392,787,307.49/165,378.60
  6. Step 6: Final answer
    x = 129,356.44

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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.