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Finding the Fourth Proportional to 126,959.40, 190,487.70 and 124,966.80

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Solution

The fourth proportional to 126,959.40, 190,487.70 and 124,966.80 is: 187,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,959.40 : 190,487.70 = 124,966.80 : x
  2. Step 2: Convert to fraction form
    126,959.40/190,487.70 = 124,966.80/x
  3. Step 3: Cross multiply
    126,959.40x = 190,487.70 × 124,966.80
  4. Step 4: Simplify right side
    126,959.40x = 23,804,638,308.36
  5. Step 5: Solve for x
    x = 23,804,638,308.36/126,959.40
  6. Step 6: Final answer
    x = 187,498.04

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1.5x scale

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.