Home / 257,134.34-385,950.29-124,108.26

Finding the Fourth Proportional to 257,134.34, 385,950.29 and 124,108.26

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Solution

The fourth proportional to 257,134.34, 385,950.29 and 124,108.26 is: 186,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,134.34 : 385,950.29 = 124,108.26 : x
  2. Step 2: Convert to fraction form
    257,134.34/385,950.29 = 124,108.26/x
  3. Step 3: Cross multiply
    257,134.34x = 385,950.29 × 124,108.26
  4. Step 4: Simplify right side
    257,134.34x = 47,899,618,317.85
  5. Step 5: Solve for x
    x = 47,899,618,317.85/257,134.34
  6. Step 6: Final answer
    x = 186,282.47

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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.