Home / 126,822.26-190,070.58-47,842.40

Finding the Fourth Proportional to 126,822.26, 190,070.58 and 47,842.40

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Solution

The fourth proportional to 126,822.26, 190,070.58 and 47,842.40 is: 71,702.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,822.26 : 190,070.58 = 47,842.40 : x
  2. Step 2: Convert to fraction form
    126,822.26/190,070.58 = 47,842.40/x
  3. Step 3: Cross multiply
    126,822.26x = 190,070.58 × 47,842.40
  4. Step 4: Simplify right side
    126,822.26x = 9,093,432,716.59
  5. Step 5: Solve for x
    x = 9,093,432,716.59/126,822.26
  6. Step 6: Final answer
    x = 71,702.18

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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.