Home / 144,729.92-199,733.64-90,994.52

Finding the Fourth Proportional to 144,729.92, 199,733.64 and 90,994.52

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Solution

The fourth proportional to 144,729.92, 199,733.64 and 90,994.52 is: 125,576.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,729.92 : 199,733.64 = 90,994.52 : x
  2. Step 2: Convert to fraction form
    144,729.92/199,733.64 = 90,994.52/x
  3. Step 3: Cross multiply
    144,729.92x = 199,733.64 × 90,994.52
  4. Step 4: Simplify right side
    144,729.92x = 18,174,666,699.65
  5. Step 5: Solve for x
    x = 18,174,666,699.65/144,729.92
  6. Step 6: Final answer
    x = 125,576.43

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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.