Home / 127,827.42-191,723.38-67,829.64

Finding the Fourth Proportional to 127,827.42, 191,723.38 and 67,829.64

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Solution

The fourth proportional to 127,827.42, 191,723.38 and 67,829.64 is: 101,735.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,827.42 : 191,723.38 = 67,829.64 : x
  2. Step 2: Convert to fraction form
    127,827.42/191,723.38 = 67,829.64/x
  3. Step 3: Cross multiply
    127,827.42x = 191,723.38 × 67,829.64
  4. Step 4: Simplify right side
    127,827.42x = 13,004,527,844.98
  5. Step 5: Solve for x
    x = 13,004,527,844.98/127,827.42
  6. Step 6: Final answer
    x = 101,735.04

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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.