Home / 131,833.63-197,784.06-38,339.38

Finding the Fourth Proportional to 131,833.63, 197,784.06 and 38,339.38

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Solution

The fourth proportional to 131,833.63, 197,784.06 and 38,339.38 is: 57,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,833.63 : 197,784.06 = 38,339.38 : x
  2. Step 2: Convert to fraction form
    131,833.63/197,784.06 = 38,339.38/x
  3. Step 3: Cross multiply
    131,833.63x = 197,784.06 × 38,339.38
  4. Step 4: Simplify right side
    131,833.63x = 7,582,918,234.28
  5. Step 5: Solve for x
    x = 7,582,918,234.28/131,833.63
  6. Step 6: Final answer
    x = 57,518.85

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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.