Home / 215,955.20-323,835.60-97,565.60

Finding the Fourth Proportional to 215,955.20, 323,835.60 and 97,565.60

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Solution

The fourth proportional to 215,955.20, 323,835.60 and 97,565.60 is: 146,304.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,955.20 : 323,835.60 = 97,565.60 : x
  2. Step 2: Convert to fraction form
    215,955.20/323,835.60 = 97,565.60/x
  3. Step 3: Cross multiply
    215,955.20x = 323,835.60 × 97,565.60
  4. Step 4: Simplify right side
    215,955.20x = 31,595,214,615.36
  5. Step 5: Solve for x
    x = 31,595,214,615.36/215,955.20
  6. Step 6: Final answer
    x = 146,304.49

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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.