Home / 126,645.56-174,770.16-70,055.72

Finding the Fourth Proportional to 126,645.56, 174,770.16 and 70,055.72

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Solution

The fourth proportional to 126,645.56, 174,770.16 and 70,055.72 is: 96,676.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,645.56 : 174,770.16 = 70,055.72 : x
  2. Step 2: Convert to fraction form
    126,645.56/174,770.16 = 70,055.72/x
  3. Step 3: Cross multiply
    126,645.56x = 174,770.16 × 70,055.72
  4. Step 4: Simplify right side
    126,645.56x = 12,243,649,393.32
  5. Step 5: Solve for x
    x = 12,243,649,393.32/126,645.56
  6. Step 6: Final answer
    x = 96,676.50

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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.