Home / 74,233.40-111,358.20-71,900.60

Finding the Fourth Proportional to 74,233.40, 111,358.20 and 71,900.60

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Solution

The fourth proportional to 74,233.40, 111,358.20 and 71,900.60 is: 107,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,233.40 : 111,358.20 = 71,900.60 : x
  2. Step 2: Convert to fraction form
    74,233.40/111,358.20 = 71,900.60/x
  3. Step 3: Cross multiply
    74,233.40x = 111,358.20 × 71,900.60
  4. Step 4: Simplify right side
    74,233.40x = 8,006,721,394.92
  5. Step 5: Solve for x
    x = 8,006,721,394.92/74,233.40
  6. Step 6: Final answer
    x = 107,858.75

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1.5x scale

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.