Home / 128,994.99-193,417.32-50,016.96

Finding the Fourth Proportional to 128,994.99, 193,417.32 and 50,016.96

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Solution

The fourth proportional to 128,994.99, 193,417.32 and 50,016.96 is: 74,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,994.99 : 193,417.32 = 50,016.96 : x
  2. Step 2: Convert to fraction form
    128,994.99/193,417.32 = 50,016.96/x
  3. Step 3: Cross multiply
    128,994.99x = 193,417.32 × 50,016.96
  4. Step 4: Simplify right side
    128,994.99x = 9,674,146,357.75
  5. Step 5: Solve for x
    x = 9,674,146,357.75/128,994.99
  6. Step 6: Final answer
    x = 74,996.30

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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.