Home / 97,964.64-135,185.76-55,520.64

Finding the Fourth Proportional to 97,964.64, 135,185.76 and 55,520.64

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Solution

The fourth proportional to 97,964.64, 135,185.76 and 55,520.64 is: 76,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,964.64 : 135,185.76 = 55,520.64 : x
  2. Step 2: Convert to fraction form
    97,964.64/135,185.76 = 55,520.64/x
  3. Step 3: Cross multiply
    97,964.64x = 135,185.76 × 55,520.64
  4. Step 4: Simplify right side
    97,964.64x = 7,505,599,914.09
  5. Step 5: Solve for x
    x = 7,505,599,914.09/97,964.64
  6. Step 6: Final answer
    x = 76,615.40

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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.