Home / 253,120.43-349,313.24-139,950.47

Finding the Fourth Proportional to 253,120.43, 349,313.24 and 139,950.47

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Solution

The fourth proportional to 253,120.43, 349,313.24 and 139,950.47 is: 193,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,120.43 : 349,313.24 = 139,950.47 : x
  2. Step 2: Convert to fraction form
    253,120.43/349,313.24 = 139,950.47/x
  3. Step 3: Cross multiply
    253,120.43x = 349,313.24 × 139,950.47
  4. Step 4: Simplify right side
    253,120.43x = 48,886,551,415.47
  5. Step 5: Solve for x
    x = 48,886,551,415.47/253,120.43
  6. Step 6: Final answer
    x = 193,135.54

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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.