Home / 126,023.85-189,035.78-37,270.45

Finding the Fourth Proportional to 126,023.85, 189,035.78 and 37,270.45

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Solution

The fourth proportional to 126,023.85, 189,035.78 and 37,270.45 is: 55,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,023.85 : 189,035.78 = 37,270.45 : x
  2. Step 2: Convert to fraction form
    126,023.85/189,035.78 = 37,270.45/x
  3. Step 3: Cross multiply
    126,023.85x = 189,035.78 × 37,270.45
  4. Step 4: Simplify right side
    126,023.85x = 7,045,447,927.76
  5. Step 5: Solve for x
    x = 7,045,447,927.76/126,023.85
  6. Step 6: Final answer
    x = 55,905.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.