Home / 121,818.72-182,797.20-47,998.56

Finding the Fourth Proportional to 121,818.72, 182,797.20 and 47,998.56

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Solution

The fourth proportional to 121,818.72, 182,797.20 and 47,998.56 is: 72,025.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,818.72 : 182,797.20 = 47,998.56 : x
  2. Step 2: Convert to fraction form
    121,818.72/182,797.20 = 47,998.56/x
  3. Step 3: Cross multiply
    121,818.72x = 182,797.20 × 47,998.56
  4. Step 4: Simplify right side
    121,818.72x = 8,774,002,372.03
  5. Step 5: Solve for x
    x = 8,774,002,372.03/121,818.72
  6. Step 6: Final answer
    x = 72,025.07

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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.