Home / 115,304.36-172,961.70-35,336.54

Finding the Fourth Proportional to 115,304.36, 172,961.70 and 35,336.54

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Solution

The fourth proportional to 115,304.36, 172,961.70 and 35,336.54 is: 53,006.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,304.36 : 172,961.70 = 35,336.54 : x
  2. Step 2: Convert to fraction form
    115,304.36/172,961.70 = 35,336.54/x
  3. Step 3: Cross multiply
    115,304.36x = 172,961.70 × 35,336.54
  4. Step 4: Simplify right side
    115,304.36x = 6,111,868,030.52
  5. Step 5: Solve for x
    x = 6,111,868,030.52/115,304.36
  6. Step 6: Final answer
    x = 53,006.39

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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.