Home / 257,118.96-385,927.21-124,092.87

Finding the Fourth Proportional to 257,118.96, 385,927.21 and 124,092.87

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Solution

The fourth proportional to 257,118.96, 385,927.21 and 124,092.87 is: 186,259.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,118.96 : 385,927.21 = 124,092.87 : x
  2. Step 2: Convert to fraction form
    257,118.96/385,927.21 = 124,092.87/x
  3. Step 3: Cross multiply
    257,118.96x = 385,927.21 × 124,092.87
  4. Step 4: Simplify right side
    257,118.96x = 47,890,814,789.76
  5. Step 5: Solve for x
    x = 47,890,814,789.76/257,118.96
  6. Step 6: Final answer
    x = 186,259.37

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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.