Home / 119,186.23-164,429.97-76,769.38

Finding the Fourth Proportional to 119,186.23, 164,429.97 and 76,769.38

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Solution

The fourth proportional to 119,186.23, 164,429.97 and 76,769.38 is: 105,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,186.23 : 164,429.97 = 76,769.38 : x
  2. Step 2: Convert to fraction form
    119,186.23/164,429.97 = 76,769.38/x
  3. Step 3: Cross multiply
    119,186.23x = 164,429.97 × 76,769.38
  4. Step 4: Simplify right side
    119,186.23x = 12,623,186,850.32
  5. Step 5: Solve for x
    x = 12,623,186,850.32/119,186.23
  6. Step 6: Final answer
    x = 105,911.45

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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.