Home / 208,098.24-287,175.12-112,604.90

Finding the Fourth Proportional to 208,098.24, 287,175.12 and 112,604.90

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Solution

The fourth proportional to 208,098.24, 287,175.12 and 112,604.90 is: 155,394.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,098.24 : 287,175.12 = 112,604.90 : x
  2. Step 2: Convert to fraction form
    208,098.24/287,175.12 = 112,604.90/x
  3. Step 3: Cross multiply
    208,098.24x = 287,175.12 × 112,604.90
  4. Step 4: Simplify right side
    208,098.24x = 32,337,325,670.09
  5. Step 5: Solve for x
    x = 32,337,325,670.09/208,098.24
  6. Step 6: Final answer
    x = 155,394.52

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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.