Home / 126,734.70-174,875.58-70,145.94

Finding the Fourth Proportional to 126,734.70, 174,875.58 and 70,145.94

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Solution

The fourth proportional to 126,734.70, 174,875.58 and 70,145.94 is: 96,791.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,734.70 : 174,875.58 = 70,145.94 : x
  2. Step 2: Convert to fraction form
    126,734.70/174,875.58 = 70,145.94/x
  3. Step 3: Cross multiply
    126,734.70x = 174,875.58 × 70,145.94
  4. Step 4: Simplify right side
    126,734.70x = 12,266,811,942.15
  5. Step 5: Solve for x
    x = 12,266,811,942.15/126,734.70
  6. Step 6: Final answer
    x = 96,791.27

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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.