Home / 253,881.24-350,359.96-139,159

Finding the Fourth Proportional to 253,881.24, 350,359.96 and 139,159

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Solution

The fourth proportional to 253,881.24, 350,359.96 and 139,159 is: 192,041.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,881.24 : 350,359.96 = 139,159 : x
  2. Step 2: Convert to fraction form
    253,881.24/350,359.96 = 139,159/x
  3. Step 3: Cross multiply
    253,881.24x = 350,359.96 × 139,159
  4. Step 4: Simplify right side
    253,881.24x = 48,755,741,673.64
  5. Step 5: Solve for x
    x = 48,755,741,673.64/253,881.24
  6. Step 6: Final answer
    x = 192,041.53

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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.