Home / 143,087.60-197,348.21-126,752.28

Finding the Fourth Proportional to 143,087.60, 197,348.21 and 126,752.28

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Solution

The fourth proportional to 143,087.60, 197,348.21 and 126,752.28 is: 174,818.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,087.60 : 197,348.21 = 126,752.28 : x
  2. Step 2: Convert to fraction form
    143,087.60/197,348.21 = 126,752.28/x
  3. Step 3: Cross multiply
    143,087.60x = 197,348.21 × 126,752.28
  4. Step 4: Simplify right side
    143,087.60x = 25,014,335,940.95
  5. Step 5: Solve for x
    x = 25,014,335,940.95/143,087.60
  6. Step 6: Final answer
    x = 174,818.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.