Home / 119,178.45-164,471.43-68,207.18

Finding the Fourth Proportional to 119,178.45, 164,471.43 and 68,207.18

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Solution

The fourth proportional to 119,178.45, 164,471.43 and 68,207.18 is: 94,128.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,178.45 : 164,471.43 = 68,207.18 : x
  2. Step 2: Convert to fraction form
    119,178.45/164,471.43 = 68,207.18/x
  3. Step 3: Cross multiply
    119,178.45x = 164,471.43 × 68,207.18
  4. Step 4: Simplify right side
    119,178.45x = 11,218,131,608.51
  5. Step 5: Solve for x
    x = 11,218,131,608.51/119,178.45
  6. Step 6: Final answer
    x = 94,128.86

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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.