Home / 252,948.36-349,066.26-139,768.68

Finding the Fourth Proportional to 252,948.36, 349,066.26 and 139,768.68

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Solution

The fourth proportional to 252,948.36, 349,066.26 and 139,768.68 is: 192,879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,948.36 : 349,066.26 = 139,768.68 : x
  2. Step 2: Convert to fraction form
    252,948.36/349,066.26 = 139,768.68/x
  3. Step 3: Cross multiply
    252,948.36x = 349,066.26 × 139,768.68
  4. Step 4: Simplify right side
    252,948.36x = 48,788,530,392.74
  5. Step 5: Solve for x
    x = 48,788,530,392.74/252,948.36
  6. Step 6: Final answer
    x = 192,879.41

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1.5x scale

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.