Home / 99,945.51-137,911.48-64,183.96

Finding the Fourth Proportional to 99,945.51, 137,911.48 and 64,183.96

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Solution

The fourth proportional to 99,945.51, 137,911.48 and 64,183.96 is: 88,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,945.51 : 137,911.48 = 64,183.96 : x
  2. Step 2: Convert to fraction form
    99,945.51/137,911.48 = 64,183.96/x
  3. Step 3: Cross multiply
    99,945.51x = 137,911.48 × 64,183.96
  4. Step 4: Simplify right side
    99,945.51x = 8,851,704,594.94
  5. Step 5: Solve for x
    x = 8,851,704,594.94/99,945.51
  6. Step 6: Final answer
    x = 88,565.31

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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.