Home / 131,759.96-181,828.52-71,330.58

Finding the Fourth Proportional to 131,759.96, 181,828.52 and 71,330.58

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Solution

The fourth proportional to 131,759.96, 181,828.52 and 71,330.58 is: 98,436.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,759.96 : 181,828.52 = 71,330.58 : x
  2. Step 2: Convert to fraction form
    131,759.96/181,828.52 = 71,330.58/x
  3. Step 3: Cross multiply
    131,759.96x = 181,828.52 × 71,330.58
  4. Step 4: Simplify right side
    131,759.96x = 12,969,933,792.14
  5. Step 5: Solve for x
    x = 12,969,933,792.14/131,759.96
  6. Step 6: Final answer
    x = 98,436.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.