Home / 108,571.85-163,042.76-70,685.65

Finding the Fourth Proportional to 108,571.85, 163,042.76 and 70,685.65

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Solution

The fourth proportional to 108,571.85, 163,042.76 and 70,685.65 is: 106,148.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,571.85 : 163,042.76 = 70,685.65 : x
  2. Step 2: Convert to fraction form
    108,571.85/163,042.76 = 70,685.65/x
  3. Step 3: Cross multiply
    108,571.85x = 163,042.76 × 70,685.65
  4. Step 4: Simplify right side
    108,571.85x = 11,524,783,468.39
  5. Step 5: Solve for x
    x = 11,524,783,468.39/108,571.85
  6. Step 6: Final answer
    x = 106,148.91

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1.5x scale

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.