Home / 83,476.03-125,221.78-30,181.34

Finding the Fourth Proportional to 83,476.03, 125,221.78 and 30,181.34

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Solution

The fourth proportional to 83,476.03, 125,221.78 and 30,181.34 is: 45,274.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,476.03 : 125,221.78 = 30,181.34 : x
  2. Step 2: Convert to fraction form
    83,476.03/125,221.78 = 30,181.34/x
  3. Step 3: Cross multiply
    83,476.03x = 125,221.78 × 30,181.34
  4. Step 4: Simplify right side
    83,476.03x = 3,779,360,340.57
  5. Step 5: Solve for x
    x = 3,779,360,340.57/83,476.03
  6. Step 6: Final answer
    x = 45,274.80

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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.