Home / 126,810.56-174,996.40-70,220.72

Finding the Fourth Proportional to 126,810.56, 174,996.40 and 70,220.72

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Solution

The fourth proportional to 126,810.56, 174,996.40 and 70,220.72 is: 96,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,810.56 : 174,996.40 = 70,220.72 : x
  2. Step 2: Convert to fraction form
    126,810.56/174,996.40 = 70,220.72/x
  3. Step 3: Cross multiply
    126,810.56x = 174,996.40 × 70,220.72
  4. Step 4: Simplify right side
    126,810.56x = 12,288,373,205.41
  5. Step 5: Solve for x
    x = 12,288,373,205.41/126,810.56
  6. Step 6: Final answer
    x = 96,903.39

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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.