Home / 97,765.26-134,918.90-55,322.88

Finding the Fourth Proportional to 97,765.26, 134,918.90 and 55,322.88

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Solution

The fourth proportional to 97,765.26, 134,918.90 and 55,322.88 is: 76,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,765.26 : 134,918.90 = 55,322.88 : x
  2. Step 2: Convert to fraction form
    97,765.26/134,918.90 = 55,322.88/x
  3. Step 3: Cross multiply
    97,765.26x = 134,918.90 × 55,322.88
  4. Step 4: Simplify right side
    97,765.26x = 7,464,102,114.43
  5. Step 5: Solve for x
    x = 7,464,102,114.43/97,765.26
  6. Step 6: Final answer
    x = 76,347.18

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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.