Home / 121,824.12-182,729.64-38,711.64

Finding the Fourth Proportional to 121,824.12, 182,729.64 and 38,711.64

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Solution

The fourth proportional to 121,824.12, 182,729.64 and 38,711.64 is: 58,065.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,824.12 : 182,729.64 = 38,711.64 : x
  2. Step 2: Convert to fraction form
    121,824.12/182,729.64 = 38,711.64/x
  3. Step 3: Cross multiply
    121,824.12x = 182,729.64 × 38,711.64
  4. Step 4: Simplify right side
    121,824.12x = 7,073,764,041.01
  5. Step 5: Solve for x
    x = 7,073,764,041.01/121,824.12
  6. Step 6: Final answer
    x = 58,065.38

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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.