Home / 136,132.44-187,848.39-75,693.33

Finding the Fourth Proportional to 136,132.44, 187,848.39 and 75,693.33

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Solution

The fourth proportional to 136,132.44, 187,848.39 and 75,693.33 is: 104,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,132.44 : 187,848.39 = 75,693.33 : x
  2. Step 2: Convert to fraction form
    136,132.44/187,848.39 = 75,693.33/x
  3. Step 3: Cross multiply
    136,132.44x = 187,848.39 × 75,693.33
  4. Step 4: Simplify right side
    136,132.44x = 14,218,869,795.77
  5. Step 5: Solve for x
    x = 14,218,869,795.77/136,132.44
  6. Step 6: Final answer
    x = 104,448.80

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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.