Home / 208,846.15-288,199.97-113,350.79

Finding the Fourth Proportional to 208,846.15, 288,199.97 and 113,350.79

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Solution

The fourth proportional to 208,846.15, 288,199.97 and 113,350.79 is: 156,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,846.15 : 288,199.97 = 113,350.79 : x
  2. Step 2: Convert to fraction form
    208,846.15/288,199.97 = 113,350.79/x
  3. Step 3: Cross multiply
    208,846.15x = 288,199.97 × 113,350.79
  4. Step 4: Simplify right side
    208,846.15x = 32,667,695,281.35
  5. Step 5: Solve for x
    x = 32,667,695,281.35/208,846.15
  6. Step 6: Final answer
    x = 156,419.91

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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.