Home / 132,343.75-182,634.38-72,727.75

Finding the Fourth Proportional to 132,343.75, 182,634.38 and 72,727.75

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Solution

The fourth proportional to 132,343.75, 182,634.38 and 72,727.75 is: 100,364.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,343.75 : 182,634.38 = 72,727.75 : x
  2. Step 2: Convert to fraction form
    132,343.75/182,634.38 = 72,727.75/x
  3. Step 3: Cross multiply
    132,343.75x = 182,634.38 × 72,727.75
  4. Step 4: Simplify right side
    132,343.75x = 13,282,587,530.05
  5. Step 5: Solve for x
    x = 13,282,587,530.05/132,343.75
  6. Step 6: Final answer
    x = 100,364.30

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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.