Home / 136,362.74-188,186.09-75,929.54

Finding the Fourth Proportional to 136,362.74, 188,186.09 and 75,929.54

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Solution

The fourth proportional to 136,362.74, 188,186.09 and 75,929.54 is: 104,785.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,362.74 : 188,186.09 = 75,929.54 : x
  2. Step 2: Convert to fraction form
    136,362.74/188,186.09 = 75,929.54/x
  3. Step 3: Cross multiply
    136,362.74x = 188,186.09 × 75,929.54
  4. Step 4: Simplify right side
    136,362.74x = 14,288,881,927.52
  5. Step 5: Solve for x
    x = 14,288,881,927.52/136,362.74
  6. Step 6: Final answer
    x = 104,785.83

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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.