Home / 83,154.21-124,743.66-30,559.60

Finding the Fourth Proportional to 83,154.21, 124,743.66 and 30,559.60

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Solution

The fourth proportional to 83,154.21, 124,743.66 and 30,559.60 is: 45,843.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,154.21 : 124,743.66 = 30,559.60 : x
  2. Step 2: Convert to fraction form
    83,154.21/124,743.66 = 30,559.60/x
  3. Step 3: Cross multiply
    83,154.21x = 124,743.66 × 30,559.60
  4. Step 4: Simplify right side
    83,154.21x = 3,812,116,352.14
  5. Step 5: Solve for x
    x = 3,812,116,352.14/83,154.21
  6. Step 6: Final answer
    x = 45,843.94

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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.