Home / 126,828.29-190,255.02-46,887.20

Finding the Fourth Proportional to 126,828.29, 190,255.02 and 46,887.20

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Solution

The fourth proportional to 126,828.29, 190,255.02 and 46,887.20 is: 70,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,828.29 : 190,255.02 = 46,887.20 : x
  2. Step 2: Convert to fraction form
    126,828.29/190,255.02 = 46,887.20/x
  3. Step 3: Cross multiply
    126,828.29x = 190,255.02 × 46,887.20
  4. Step 4: Simplify right side
    126,828.29x = 8,920,525,173.74
  5. Step 5: Solve for x
    x = 8,920,525,173.74/126,828.29
  6. Step 6: Final answer
    x = 70,335.45

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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.