Home / 97,209.42-134,142.14-54,186.97

Finding the Fourth Proportional to 97,209.42, 134,142.14 and 54,186.97

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Solution

The fourth proportional to 97,209.42, 134,142.14 and 54,186.97 is: 74,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,209.42 : 134,142.14 = 54,186.97 : x
  2. Step 2: Convert to fraction form
    97,209.42/134,142.14 = 54,186.97/x
  3. Step 3: Cross multiply
    97,209.42x = 134,142.14 × 54,186.97
  4. Step 4: Simplify right side
    97,209.42x = 7,268,756,622.15
  5. Step 5: Solve for x
    x = 7,268,756,622.15/97,209.42
  6. Step 6: Final answer
    x = 74,774.20

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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.