Home / 225,685.12-338,544.64-75,925.76

Finding the Fourth Proportional to 225,685.12, 338,544.64 and 75,925.76

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Solution

The fourth proportional to 225,685.12, 338,544.64 and 75,925.76 is: 113,894.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,685.12 : 338,544.64 = 75,925.76 : x
  2. Step 2: Convert to fraction form
    225,685.12/338,544.64 = 75,925.76/x
  3. Step 3: Cross multiply
    225,685.12x = 338,544.64 × 75,925.76
  4. Step 4: Simplify right side
    225,685.12x = 25,704,259,085.93
  5. Step 5: Solve for x
    x = 25,704,259,085.93/225,685.12
  6. Step 6: Final answer
    x = 113,894.35

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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.