Home / 126,821.26-190,069.08-47,841.40

Finding the Fourth Proportional to 126,821.26, 190,069.08 and 47,841.40

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Solution

The fourth proportional to 126,821.26, 190,069.08 and 47,841.40 is: 71,700.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,821.26 : 190,069.08 = 47,841.40 : x
  2. Step 2: Convert to fraction form
    126,821.26/190,069.08 = 47,841.40/x
  3. Step 3: Cross multiply
    126,821.26x = 190,069.08 × 47,841.40
  4. Step 4: Simplify right side
    126,821.26x = 9,093,170,883.91
  5. Step 5: Solve for x
    x = 9,093,170,883.91/126,821.26
  6. Step 6: Final answer
    x = 71,700.68

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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.