Home / 253,834.43-350,291.58-139,117.63

Finding the Fourth Proportional to 253,834.43, 350,291.58 and 139,117.63

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Solution

The fourth proportional to 253,834.43, 350,291.58 and 139,117.63 is: 191,982.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,834.43 : 350,291.58 = 139,117.63 : x
  2. Step 2: Convert to fraction form
    253,834.43/350,291.58 = 139,117.63/x
  3. Step 3: Cross multiply
    253,834.43x = 350,291.58 × 139,117.63
  4. Step 4: Simplify right side
    253,834.43x = 48,731,733,021.14
  5. Step 5: Solve for x
    x = 48,731,733,021.14/253,834.43
  6. Step 6: Final answer
    x = 191,982.36

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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.