Home / 208,184.38-287,294.21-112,691.05

Finding the Fourth Proportional to 208,184.38, 287,294.21 and 112,691.05

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Solution

The fourth proportional to 208,184.38, 287,294.21 and 112,691.05 is: 155,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,184.38 : 287,294.21 = 112,691.05 : x
  2. Step 2: Convert to fraction form
    208,184.38/287,294.21 = 112,691.05/x
  3. Step 3: Cross multiply
    208,184.38x = 287,294.21 × 112,691.05
  4. Step 4: Simplify right side
    208,184.38x = 32,375,485,324.72
  5. Step 5: Solve for x
    x = 32,375,485,324.72/208,184.38
  6. Step 6: Final answer
    x = 155,513.52

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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.