Home / 126,709.55-174,841.85-75,711.51

Finding the Fourth Proportional to 126,709.55, 174,841.85 and 75,711.51

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Solution

The fourth proportional to 126,709.55, 174,841.85 and 75,711.51 is: 104,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,709.55 : 174,841.85 = 75,711.51 : x
  2. Step 2: Convert to fraction form
    126,709.55/174,841.85 = 75,711.51/x
  3. Step 3: Cross multiply
    126,709.55x = 174,841.85 × 75,711.51
  4. Step 4: Simplify right side
    126,709.55x = 13,237,540,096.14
  5. Step 5: Solve for x
    x = 13,237,540,096.14/126,709.55
  6. Step 6: Final answer
    x = 104,471.53

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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.