Home / 151,005.47-208,387.96-83,029.39

Finding the Fourth Proportional to 151,005.47, 208,387.96 and 83,029.39

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Solution

The fourth proportional to 151,005.47, 208,387.96 and 83,029.39 is: 114,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,005.47 : 208,387.96 = 83,029.39 : x
  2. Step 2: Convert to fraction form
    151,005.47/208,387.96 = 83,029.39/x
  3. Step 3: Cross multiply
    151,005.47x = 208,387.96 × 83,029.39
  4. Step 4: Simplify right side
    151,005.47x = 17,302,325,202.14
  5. Step 5: Solve for x
    x = 17,302,325,202.14/151,005.47
  6. Step 6: Final answer
    x = 114,580.78

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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.