Home / 208,876.17-288,249.48-113,382.93

Finding the Fourth Proportional to 208,876.17, 288,249.48 and 113,382.93

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Solution

The fourth proportional to 208,876.17, 288,249.48 and 113,382.93 is: 156,468.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,876.17 : 288,249.48 = 113,382.93 : x
  2. Step 2: Convert to fraction form
    208,876.17/288,249.48 = 113,382.93/x
  3. Step 3: Cross multiply
    208,876.17x = 288,249.48 × 113,382.93
  4. Step 4: Simplify right side
    208,876.17x = 32,682,570,613.38
  5. Step 5: Solve for x
    x = 32,682,570,613.38/208,876.17
  6. Step 6: Final answer
    x = 156,468.64

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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.