Home / 136,480.38-188,348.75-76,051.09

Finding the Fourth Proportional to 136,480.38, 188,348.75 and 76,051.09

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Solution

The fourth proportional to 136,480.38, 188,348.75 and 76,051.09 is: 104,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,480.38 : 188,348.75 = 76,051.09 : x
  2. Step 2: Convert to fraction form
    136,480.38/188,348.75 = 76,051.09/x
  3. Step 3: Cross multiply
    136,480.38x = 188,348.75 × 76,051.09
  4. Step 4: Simplify right side
    136,480.38x = 14,324,127,737.64
  5. Step 5: Solve for x
    x = 14,324,127,737.64/136,480.38
  6. Step 6: Final answer
    x = 104,953.75

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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.