Home / 196,271.70-294,407.55-71,661.30

Finding the Fourth Proportional to 196,271.70, 294,407.55 and 71,661.30

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Solution

The fourth proportional to 196,271.70, 294,407.55 and 71,661.30 is: 107,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,271.70 : 294,407.55 = 71,661.30 : x
  2. Step 2: Convert to fraction form
    196,271.70/294,407.55 = 71,661.30/x
  3. Step 3: Cross multiply
    196,271.70x = 294,407.55 × 71,661.30
  4. Step 4: Simplify right side
    196,271.70x = 21,097,627,762.82
  5. Step 5: Solve for x
    x = 21,097,627,762.82/196,271.70
  6. Step 6: Final answer
    x = 107,491.95

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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.