Home / 88,009.27-131,698.51-76,203.79

Finding the Fourth Proportional to 88,009.27, 131,698.51 and 76,203.79

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Solution

The fourth proportional to 88,009.27, 131,698.51 and 76,203.79 is: 114,032.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,009.27 : 131,698.51 = 76,203.79 : x
  2. Step 2: Convert to fraction form
    88,009.27/131,698.51 = 76,203.79/x
  3. Step 3: Cross multiply
    88,009.27x = 131,698.51 × 76,203.79
  4. Step 4: Simplify right side
    88,009.27x = 10,035,925,079.60
  5. Step 5: Solve for x
    x = 10,035,925,079.60/88,009.27
  6. Step 6: Final answer
    x = 114,032.59

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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.