Home / 126,915.59-190,397.41-51,020.00

Finding the Fourth Proportional to 126,915.59, 190,397.41 and 51,020.00

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Solution

The fourth proportional to 126,915.59, 190,397.41 and 51,020.00 is: 76,539.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,915.59 : 190,397.41 = 51,020.00 : x
  2. Step 2: Convert to fraction form
    126,915.59/190,397.41 = 51,020.00/x
  3. Step 3: Cross multiply
    126,915.59x = 190,397.41 × 51,020.00
  4. Step 4: Simplify right side
    126,915.59x = 9,714,076,206.64
  5. Step 5: Solve for x
    x = 9,714,076,206.64/126,915.59
  6. Step 6: Final answer
    x = 76,539.66

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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.