Home / 113,742.44-156,913.80-65,968.12

Finding the Fourth Proportional to 113,742.44, 156,913.80 and 65,968.12

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Solution

The fourth proportional to 113,742.44, 156,913.80 and 65,968.12 is: 91,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,742.44 : 156,913.80 = 65,968.12 : x
  2. Step 2: Convert to fraction form
    113,742.44/156,913.80 = 65,968.12/x
  3. Step 3: Cross multiply
    113,742.44x = 156,913.80 × 65,968.12
  4. Step 4: Simplify right side
    113,742.44x = 10,351,308,388.06
  5. Step 5: Solve for x
    x = 10,351,308,388.06/113,742.44
  6. Step 6: Final answer
    x = 91,006.56

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1.5x scale

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.