Home / 126,779.22-174,994.20-73,099.98

Finding the Fourth Proportional to 126,779.22, 174,994.20 and 73,099.98

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Solution

The fourth proportional to 126,779.22, 174,994.20 and 73,099.98 is: 100,900.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,779.22 : 174,994.20 = 73,099.98 : x
  2. Step 2: Convert to fraction form
    126,779.22/174,994.20 = 73,099.98/x
  3. Step 3: Cross multiply
    126,779.22x = 174,994.20 × 73,099.98
  4. Step 4: Simplify right side
    126,779.22x = 12,792,072,520.12
  5. Step 5: Solve for x
    x = 12,792,072,520.12/126,779.22
  6. Step 6: Final answer
    x = 100,900.39

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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.