Home / 102,078.53-140,847.66-59,628.86

Finding the Fourth Proportional to 102,078.53, 140,847.66 and 59,628.86

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Solution

The fourth proportional to 102,078.53, 140,847.66 and 59,628.86 is: 82,275.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,078.53 : 140,847.66 = 59,628.86 : x
  2. Step 2: Convert to fraction form
    102,078.53/140,847.66 = 59,628.86/x
  3. Step 3: Cross multiply
    102,078.53x = 140,847.66 × 59,628.86
  4. Step 4: Simplify right side
    102,078.53x = 8,398,585,223.41
  5. Step 5: Solve for x
    x = 8,398,585,223.41/102,078.53
  6. Step 6: Final answer
    x = 82,275.73

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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.