Home / 183,939.60-253,829.36-112,439.28

Finding the Fourth Proportional to 183,939.60, 253,829.36 and 112,439.28

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Solution

The fourth proportional to 183,939.60, 253,829.36 and 112,439.28 is: 155,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,939.60 : 253,829.36 = 112,439.28 : x
  2. Step 2: Convert to fraction form
    183,939.60/253,829.36 = 112,439.28/x
  3. Step 3: Cross multiply
    183,939.60x = 253,829.36 × 112,439.28
  4. Step 4: Simplify right side
    183,939.60x = 28,540,390,481.26
  5. Step 5: Solve for x
    x = 28,540,390,481.26/183,939.60
  6. Step 6: Final answer
    x = 155,161.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.