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Finding the Fourth Proportional to 176,309.90, 264,616.05 and 71,204.30

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Solution

The fourth proportional to 176,309.90, 264,616.05 and 71,204.30 is: 106,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,309.90 : 264,616.05 = 71,204.30 : x
  2. Step 2: Convert to fraction form
    176,309.90/264,616.05 = 71,204.30/x
  3. Step 3: Cross multiply
    176,309.90x = 264,616.05 × 71,204.30
  4. Step 4: Simplify right side
    176,309.90x = 18,841,800,609.02
  5. Step 5: Solve for x
    x = 18,841,800,609.02/176,309.90
  6. Step 6: Final answer
    x = 106,867.51

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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.