Home / 287,537.96-431,306.94-110,099.36

Finding the Fourth Proportional to 287,537.96, 431,306.94 and 110,099.36

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Solution

The fourth proportional to 287,537.96, 431,306.94 and 110,099.36 is: 165,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,537.96 : 431,306.94 = 110,099.36 : x
  2. Step 2: Convert to fraction form
    287,537.96/431,306.94 = 110,099.36/x
  3. Step 3: Cross multiply
    287,537.96x = 431,306.94 × 110,099.36
  4. Step 4: Simplify right side
    287,537.96x = 47,486,618,057.56
  5. Step 5: Solve for x
    x = 47,486,618,057.56/287,537.96
  6. Step 6: Final answer
    x = 165,149.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.