Home / 131,430.30-197,164.48-41,442.47

Finding the Fourth Proportional to 131,430.30, 197,164.48 and 41,442.47

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Solution

The fourth proportional to 131,430.30, 197,164.48 and 41,442.47 is: 62,169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,430.30 : 197,164.48 = 41,442.47 : x
  2. Step 2: Convert to fraction form
    131,430.30/197,164.48 = 41,442.47/x
  3. Step 3: Cross multiply
    131,430.30x = 197,164.48 × 41,442.47
  4. Step 4: Simplify right side
    131,430.30x = 8,170,983,047.47
  5. Step 5: Solve for x
    x = 8,170,983,047.47/131,430.30
  6. Step 6: Final answer
    x = 62,169.71

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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.