Home / 88,289.72-132,431.64-38,369.86

Finding the Fourth Proportional to 88,289.72, 132,431.64 and 38,369.86

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Solution

The fourth proportional to 88,289.72, 132,431.64 and 38,369.86 is: 57,553.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,289.72 : 132,431.64 = 38,369.86 : x
  2. Step 2: Convert to fraction form
    88,289.72/132,431.64 = 38,369.86/x
  3. Step 3: Cross multiply
    88,289.72x = 132,431.64 × 38,369.86
  4. Step 4: Simplify right side
    88,289.72x = 5,081,383,294.52
  5. Step 5: Solve for x
    x = 5,081,383,294.52/88,289.72
  6. Step 6: Final answer
    x = 57,553.51

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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.