Home / 136,879.21-205,429.38-58,048.75

Finding the Fourth Proportional to 136,879.21, 205,429.38 and 58,048.75

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Solution

The fourth proportional to 136,879.21, 205,429.38 and 58,048.75 is: 87,120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,879.21 : 205,429.38 = 58,048.75 : x
  2. Step 2: Convert to fraction form
    136,879.21/205,429.38 = 58,048.75/x
  3. Step 3: Cross multiply
    136,879.21x = 205,429.38 × 58,048.75
  4. Step 4: Simplify right side
    136,879.21x = 11,924,918,722.28
  5. Step 5: Solve for x
    x = 11,924,918,722.28/136,879.21
  6. Step 6: Final answer
    x = 87,120.01

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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.