Home / 165,777.89-248,715.34-53,455.82

Finding the Fourth Proportional to 165,777.89, 248,715.34 and 53,455.82

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Solution

The fourth proportional to 165,777.89, 248,715.34 and 53,455.82 is: 80,199.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,777.89 : 248,715.34 = 53,455.82 : x
  2. Step 2: Convert to fraction form
    165,777.89/248,715.34 = 53,455.82/x
  3. Step 3: Cross multiply
    165,777.89x = 248,715.34 × 53,455.82
  4. Step 4: Simplify right side
    165,777.89x = 13,295,282,934.43
  5. Step 5: Solve for x
    x = 13,295,282,934.43/165,777.89
  6. Step 6: Final answer
    x = 80,199.38

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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.