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Finding the Fourth Proportional to 127,313.82, 192,167.16 and 127,313.82

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Solution

The fourth proportional to 127,313.82, 192,167.16 and 127,313.82 is: 192,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,313.82 : 192,167.16 = 127,313.82 : x
  2. Step 2: Convert to fraction form
    127,313.82/192,167.16 = 127,313.82/x
  3. Step 3: Cross multiply
    127,313.82x = 192,167.16 × 127,313.82
  4. Step 4: Simplify right side
    127,313.82x = 24,465,535,218.15
  5. Step 5: Solve for x
    x = 24,465,535,218.15/127,313.82
  6. Step 6: Final answer
    x = 192,167.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.