Home / 155,695.44-214,860.36-87,713.22

Finding the Fourth Proportional to 155,695.44, 214,860.36 and 87,713.22

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Solution

The fourth proportional to 155,695.44, 214,860.36 and 87,713.22 is: 121,044.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,695.44 : 214,860.36 = 87,713.22 : x
  2. Step 2: Convert to fraction form
    155,695.44/214,860.36 = 87,713.22/x
  3. Step 3: Cross multiply
    155,695.44x = 214,860.36 × 87,713.22
  4. Step 4: Simplify right side
    155,695.44x = 18,846,094,831.69
  5. Step 5: Solve for x
    x = 18,846,094,831.69/155,695.44
  6. Step 6: Final answer
    x = 121,044.62

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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.