Home / 151,916.82-228,018.24-77,090.70

Finding the Fourth Proportional to 151,916.82, 228,018.24 and 77,090.70

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Solution

The fourth proportional to 151,916.82, 228,018.24 and 77,090.70 is: 115,708.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,916.82 : 228,018.24 = 77,090.70 : x
  2. Step 2: Convert to fraction form
    151,916.82/228,018.24 = 77,090.70/x
  3. Step 3: Cross multiply
    151,916.82x = 228,018.24 × 77,090.70
  4. Step 4: Simplify right side
    151,916.82x = 17,578,085,734.37
  5. Step 5: Solve for x
    x = 17,578,085,734.37/151,916.82
  6. Step 6: Final answer
    x = 115,708.62

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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.