Home / 119,112.53-164,377.76-68,129.91

Finding the Fourth Proportional to 119,112.53, 164,377.76 and 68,129.91

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Solution

The fourth proportional to 119,112.53, 164,377.76 and 68,129.91 is: 94,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,112.53 : 164,377.76 = 68,129.91 : x
  2. Step 2: Convert to fraction form
    119,112.53/164,377.76 = 68,129.91/x
  3. Step 3: Cross multiply
    119,112.53x = 164,377.76 × 68,129.91
  4. Step 4: Simplify right side
    119,112.53x = 11,199,041,654.15
  5. Step 5: Solve for x
    x = 11,199,041,654.15/119,112.53
  6. Step 6: Final answer
    x = 94,020.69

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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.