Home / 136,495.36-188,374.48-76,085.44

Finding the Fourth Proportional to 136,495.36, 188,374.48 and 76,085.44

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Solution

The fourth proportional to 136,495.36, 188,374.48 and 76,085.44 is: 105,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,495.36 : 188,374.48 = 76,085.44 : x
  2. Step 2: Convert to fraction form
    136,495.36/188,374.48 = 76,085.44/x
  3. Step 3: Cross multiply
    136,495.36x = 188,374.48 × 76,085.44
  4. Step 4: Simplify right side
    136,495.36x = 14,332,555,195.57
  5. Step 5: Solve for x
    x = 14,332,555,195.57/136,495.36
  6. Step 6: Final answer
    x = 105,003.97

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1.5x scale

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.