Home / 208,367.28-287,546.49-112,876.38

Finding the Fourth Proportional to 208,367.28, 287,546.49 and 112,876.38

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Solution

The fourth proportional to 208,367.28, 287,546.49 and 112,876.38 is: 155,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,367.28 : 287,546.49 = 112,876.38 : x
  2. Step 2: Convert to fraction form
    208,367.28/287,546.49 = 112,876.38/x
  3. Step 3: Cross multiply
    208,367.28x = 287,546.49 × 112,876.38
  4. Step 4: Simplify right side
    208,367.28x = 32,457,206,872.91
  5. Step 5: Solve for x
    x = 32,457,206,872.91/208,367.28
  6. Step 6: Final answer
    x = 155,769.21

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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.