Home / 117,138.60-175,583.51-60,922.45

Finding the Fourth Proportional to 117,138.60, 175,583.51 and 60,922.45

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Solution

The fourth proportional to 117,138.60, 175,583.51 and 60,922.45 is: 91,318.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,138.60 : 175,583.51 = 60,922.45 : x
  2. Step 2: Convert to fraction form
    117,138.60/175,583.51 = 60,922.45/x
  3. Step 3: Cross multiply
    117,138.60x = 175,583.51 × 60,922.45
  4. Step 4: Simplify right side
    117,138.60x = 10,696,976,865.23
  5. Step 5: Solve for x
    x = 10,696,976,865.23/117,138.60
  6. Step 6: Final answer
    x = 91,318.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.