Home / 117,928.78-162,900.93-94,221.70

Finding the Fourth Proportional to 117,928.78, 162,900.93 and 94,221.70

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Solution

The fourth proportional to 117,928.78, 162,900.93 and 94,221.70 is: 130,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,928.78 : 162,900.93 = 94,221.70 : x
  2. Step 2: Convert to fraction form
    117,928.78/162,900.93 = 94,221.70/x
  3. Step 3: Cross multiply
    117,928.78x = 162,900.93 × 94,221.70
  4. Step 4: Simplify right side
    117,928.78x = 15,348,802,556.18
  5. Step 5: Solve for x
    x = 15,348,802,556.18/117,928.78
  6. Step 6: Final answer
    x = 130,153.15

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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.