Home / 215,467.20-323,346.60-97,077.60

Finding the Fourth Proportional to 215,467.20, 323,346.60 and 97,077.60

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Solution

The fourth proportional to 215,467.20, 323,346.60 and 97,077.60 is: 145,682.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,467.20 : 323,346.60 = 97,077.60 : x
  2. Step 2: Convert to fraction form
    215,467.20/323,346.60 = 97,077.60/x
  3. Step 3: Cross multiply
    215,467.20x = 323,346.60 × 97,077.60
  4. Step 4: Simplify right side
    215,467.20x = 31,389,711,896.16
  5. Step 5: Solve for x
    x = 31,389,711,896.16/215,467.20
  6. Step 6: Final answer
    x = 145,682.09

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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.