Home / 123,834.42-170,893.80-70,119.27

Finding the Fourth Proportional to 123,834.42, 170,893.80 and 70,119.27

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Solution

The fourth proportional to 123,834.42, 170,893.80 and 70,119.27 is: 96,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,834.42 : 170,893.80 = 70,119.27 : x
  2. Step 2: Convert to fraction form
    123,834.42/170,893.80 = 70,119.27/x
  3. Step 3: Cross multiply
    123,834.42x = 170,893.80 × 70,119.27
  4. Step 4: Simplify right side
    123,834.42x = 11,982,948,503.53
  5. Step 5: Solve for x
    x = 11,982,948,503.53/123,834.42
  6. Step 6: Final answer
    x = 96,765.90

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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.