Home / 126,270.20-189,059.70-98,622.20

Finding the Fourth Proportional to 126,270.20, 189,059.70 and 98,622.20

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Solution

The fourth proportional to 126,270.20, 189,059.70 and 98,622.20 is: 147,663.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,270.20 : 189,059.70 = 98,622.20 : x
  2. Step 2: Convert to fraction form
    126,270.20/189,059.70 = 98,622.20/x
  3. Step 3: Cross multiply
    126,270.20x = 189,059.70 × 98,622.20
  4. Step 4: Simplify right side
    126,270.20x = 18,645,483,545.34
  5. Step 5: Solve for x
    x = 18,645,483,545.34/126,270.20
  6. Step 6: Final answer
    x = 147,663.37

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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.