Home / 208,010.10-287,052.58-112,514.75

Finding the Fourth Proportional to 208,010.10, 287,052.58 and 112,514.75

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Solution

The fourth proportional to 208,010.10, 287,052.58 and 112,514.75 is: 155,269.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,010.10 : 287,052.58 = 112,514.75 : x
  2. Step 2: Convert to fraction form
    208,010.10/287,052.58 = 112,514.75/x
  3. Step 3: Cross multiply
    208,010.10x = 287,052.58 × 112,514.75
  4. Step 4: Simplify right side
    208,010.10x = 32,297,649,275.56
  5. Step 5: Solve for x
    x = 32,297,649,275.56/208,010.10
  6. Step 6: Final answer
    x = 155,269.62

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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.