Home / 169,828.80-254,937.60-99,747.60

Finding the Fourth Proportional to 169,828.80, 254,937.60 and 99,747.60

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Solution

The fourth proportional to 169,828.80, 254,937.60 and 99,747.60 is: 149,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,828.80 : 254,937.60 = 99,747.60 : x
  2. Step 2: Convert to fraction form
    169,828.80/254,937.60 = 99,747.60/x
  3. Step 3: Cross multiply
    169,828.80x = 254,937.60 × 99,747.60
  4. Step 4: Simplify right side
    169,828.80x = 25,429,413,749.76
  5. Step 5: Solve for x
    x = 25,429,413,749.76/169,828.80
  6. Step 6: Final answer
    x = 149,735.58

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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.