Home / 128,725.37-193,057.29-44,488.51

Finding the Fourth Proportional to 128,725.37, 193,057.29 and 44,488.51

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Solution

The fourth proportional to 128,725.37, 193,057.29 and 44,488.51 is: 66,722.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,725.37 : 193,057.29 = 44,488.51 : x
  2. Step 2: Convert to fraction form
    128,725.37/193,057.29 = 44,488.51/x
  3. Step 3: Cross multiply
    128,725.37x = 193,057.29 × 44,488.51
  4. Step 4: Simplify right side
    128,725.37x = 8,588,830,694.09
  5. Step 5: Solve for x
    x = 8,588,830,694.09/128,725.37
  6. Step 6: Final answer
    x = 66,722.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.