Home / 195,162.46-292,842.06-76,918.66

Finding the Fourth Proportional to 195,162.46, 292,842.06 and 76,918.66

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Solution

The fourth proportional to 195,162.46, 292,842.06 and 76,918.66 is: 115,416.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,162.46 : 292,842.06 = 76,918.66 : x
  2. Step 2: Convert to fraction form
    195,162.46/292,842.06 = 76,918.66/x
  3. Step 3: Cross multiply
    195,162.46x = 292,842.06 × 76,918.66
  4. Step 4: Simplify right side
    195,162.46x = 22,525,018,846.84
  5. Step 5: Solve for x
    x = 22,525,018,846.84/195,162.46
  6. Step 6: Final answer
    x = 115,416.76

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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.