Home / 117,913.44-162,515.52-102,711.36

Finding the Fourth Proportional to 117,913.44, 162,515.52 and 102,711.36

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Solution

The fourth proportional to 117,913.44, 162,515.52 and 102,711.36 is: 141,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,913.44 : 162,515.52 = 102,711.36 : x
  2. Step 2: Convert to fraction form
    117,913.44/162,515.52 = 102,711.36/x
  3. Step 3: Cross multiply
    117,913.44x = 162,515.52 × 102,711.36
  4. Step 4: Simplify right side
    117,913.44x = 16,692,190,080.31
  5. Step 5: Solve for x
    x = 16,692,190,080.31/117,913.44
  6. Step 6: Final answer
    x = 141,563.08

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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.