Home / 130,923.69-196,385.70-42,190.41

Finding the Fourth Proportional to 130,923.69, 196,385.70 and 42,190.41

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Solution

The fourth proportional to 130,923.69, 196,385.70 and 42,190.41 is: 63,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,923.69 : 196,385.70 = 42,190.41 : x
  2. Step 2: Convert to fraction form
    130,923.69/196,385.70 = 42,190.41/x
  3. Step 3: Cross multiply
    130,923.69x = 196,385.70 × 42,190.41
  4. Step 4: Simplify right side
    130,923.69x = 8,285,593,201.14
  5. Step 5: Solve for x
    x = 8,285,593,201.14/130,923.69
  6. Step 6: Final answer
    x = 63,285.67

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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.