Home / 130,440.89-195,651.77-41,670.56

Finding the Fourth Proportional to 130,440.89, 195,651.77 and 41,670.56

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Solution

The fourth proportional to 130,440.89, 195,651.77 and 41,670.56 is: 62,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,440.89 : 195,651.77 = 41,670.56 : x
  2. Step 2: Convert to fraction form
    130,440.89/195,651.77 = 41,670.56/x
  3. Step 3: Cross multiply
    130,440.89x = 195,651.77 × 41,670.56
  4. Step 4: Simplify right side
    130,440.89x = 8,152,917,634.28
  5. Step 5: Solve for x
    x = 8,152,917,634.28/130,440.89
  6. Step 6: Final answer
    x = 62,502.78

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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.