Home / 208,109.55-287,191.94-112,616.24

Finding the Fourth Proportional to 208,109.55, 287,191.94 and 112,616.24

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Solution

The fourth proportional to 208,109.55, 287,191.94 and 112,616.24 is: 155,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,109.55 : 287,191.94 = 112,616.24 : x
  2. Step 2: Convert to fraction form
    208,109.55/287,191.94 = 112,616.24/x
  3. Step 3: Cross multiply
    208,109.55x = 287,191.94 × 112,616.24
  4. Step 4: Simplify right side
    208,109.55x = 32,342,474,442.06
  5. Step 5: Solve for x
    x = 32,342,474,442.06/208,109.55
  6. Step 6: Final answer
    x = 155,410.81

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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.