Home / 97,634.70-146,452.05-90,636.30

Finding the Fourth Proportional to 97,634.70, 146,452.05 and 90,636.30

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Solution

The fourth proportional to 97,634.70, 146,452.05 and 90,636.30 is: 135,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,634.70 : 146,452.05 = 90,636.30 : x
  2. Step 2: Convert to fraction form
    97,634.70/146,452.05 = 90,636.30/x
  3. Step 3: Cross multiply
    97,634.70x = 146,452.05 × 90,636.30
  4. Step 4: Simplify right side
    97,634.70x = 13,273,871,939.42
  5. Step 5: Solve for x
    x = 13,273,871,939.42/97,634.70
  6. Step 6: Final answer
    x = 135,954.45

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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.