Home / 136,381.28-188,205.68-75,952.64

Finding the Fourth Proportional to 136,381.28, 188,205.68 and 75,952.64

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Solution

The fourth proportional to 136,381.28, 188,205.68 and 75,952.64 is: 104,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,381.28 : 188,205.68 = 75,952.64 : x
  2. Step 2: Convert to fraction form
    136,381.28/188,205.68 = 75,952.64/x
  3. Step 3: Cross multiply
    136,381.28x = 188,205.68 × 75,952.64
  4. Step 4: Simplify right side
    136,381.28x = 14,294,718,259.00
  5. Step 5: Solve for x
    x = 14,294,718,259.00/136,381.28
  6. Step 6: Final answer
    x = 104,814.37

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1.5x scale

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.