Home / 108,968.40-163,015.20-94,339.80

Finding the Fourth Proportional to 108,968.40, 163,015.20 and 94,339.80

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Solution

The fourth proportional to 108,968.40, 163,015.20 and 94,339.80 is: 141,131.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,968.40 : 163,015.20 = 94,339.80 : x
  2. Step 2: Convert to fraction form
    108,968.40/163,015.20 = 94,339.80/x
  3. Step 3: Cross multiply
    108,968.40x = 163,015.20 × 94,339.80
  4. Step 4: Simplify right side
    108,968.40x = 15,378,821,364.96
  5. Step 5: Solve for x
    x = 15,378,821,364.96/108,968.40
  6. Step 6: Final answer
    x = 141,131.02

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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.