Home / 119,112.48-164,377.80-68,129.82

Finding the Fourth Proportional to 119,112.48, 164,377.80 and 68,129.82

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Solution

The fourth proportional to 119,112.48, 164,377.80 and 68,129.82 is: 94,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,112.48 : 164,377.80 = 68,129.82 : x
  2. Step 2: Convert to fraction form
    119,112.48/164,377.80 = 68,129.82/x
  3. Step 3: Cross multiply
    119,112.48x = 164,377.80 × 68,129.82
  4. Step 4: Simplify right side
    119,112.48x = 11,199,029,926.00
  5. Step 5: Solve for x
    x = 11,199,029,926.00/119,112.48
  6. Step 6: Final answer
    x = 94,020.63

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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.