Home / 126,729.70-174,868.68-70,140.94

Finding the Fourth Proportional to 126,729.70, 174,868.68 and 70,140.94

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Solution

The fourth proportional to 126,729.70, 174,868.68 and 70,140.94 is: 96,784.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,729.70 : 174,868.68 = 70,140.94 : x
  2. Step 2: Convert to fraction form
    126,729.70/174,868.68 = 70,140.94/x
  3. Step 3: Cross multiply
    126,729.70x = 174,868.68 × 70,140.94
  4. Step 4: Simplify right side
    126,729.70x = 12,265,453,591.76
  5. Step 5: Solve for x
    x = 12,265,453,591.76/126,729.70
  6. Step 6: Final answer
    x = 96,784.37

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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.