Home / 135,805.33-187,409.93-75,376.49

Finding the Fourth Proportional to 135,805.33, 187,409.93 and 75,376.49

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Solution

The fourth proportional to 135,805.33, 187,409.93 and 75,376.49 is: 104,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,805.33 : 187,409.93 = 75,376.49 : x
  2. Step 2: Convert to fraction form
    135,805.33/187,409.93 = 75,376.49/x
  3. Step 3: Cross multiply
    135,805.33x = 187,409.93 × 75,376.49
  4. Step 4: Simplify right side
    135,805.33x = 14,126,302,714.55
  5. Step 5: Solve for x
    x = 14,126,302,714.55/135,805.33
  6. Step 6: Final answer
    x = 104,018.77

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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.