Home / 169,789.21-254,333.86-99,455.29

Finding the Fourth Proportional to 169,789.21, 254,333.86 and 99,455.29

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Solution

The fourth proportional to 169,789.21, 254,333.86 and 99,455.29 is: 148,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,789.21 : 254,333.86 = 99,455.29 : x
  2. Step 2: Convert to fraction form
    169,789.21/254,333.86 = 99,455.29/x
  3. Step 3: Cross multiply
    169,789.21x = 254,333.86 × 99,455.29
  4. Step 4: Simplify right side
    169,789.21x = 25,294,847,305.84
  5. Step 5: Solve for x
    x = 25,294,847,305.84/169,789.21
  6. Step 6: Final answer
    x = 148,977.94

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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.