Home / 125,046.72-187,586.55-40,777.29

Finding the Fourth Proportional to 125,046.72, 187,586.55 and 40,777.29

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Solution

The fourth proportional to 125,046.72, 187,586.55 and 40,777.29 is: 61,171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,046.72 : 187,586.55 = 40,777.29 : x
  2. Step 2: Convert to fraction form
    125,046.72/187,586.55 = 40,777.29/x
  3. Step 3: Cross multiply
    125,046.72x = 187,586.55 × 40,777.29
  4. Step 4: Simplify right side
    125,046.72x = 7,649,271,149.45
  5. Step 5: Solve for x
    x = 7,649,271,149.45/125,046.72
  6. Step 6: Final answer
    x = 61,171.31

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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.