Home / 126,960.54-190,439.05-30,898.11

Finding the Fourth Proportional to 126,960.54, 190,439.05 and 30,898.11

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Solution

The fourth proportional to 126,960.54, 190,439.05 and 30,898.11 is: 46,346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,960.54 : 190,439.05 = 30,898.11 : x
  2. Step 2: Convert to fraction form
    126,960.54/190,439.05 = 30,898.11/x
  3. Step 3: Cross multiply
    126,960.54x = 190,439.05 × 30,898.11
  4. Step 4: Simplify right side
    126,960.54x = 5,884,206,715.20
  5. Step 5: Solve for x
    x = 5,884,206,715.20/126,960.54
  6. Step 6: Final answer
    x = 46,346.74

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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.