Home / 252,388.86-348,284.07-139,208.70

Finding the Fourth Proportional to 252,388.86, 348,284.07 and 139,208.70

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Solution

The fourth proportional to 252,388.86, 348,284.07 and 139,208.70 is: 192,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,388.86 : 348,284.07 = 139,208.70 : x
  2. Step 2: Convert to fraction form
    252,388.86/348,284.07 = 139,208.70/x
  3. Step 3: Cross multiply
    252,388.86x = 348,284.07 × 139,208.70
  4. Step 4: Simplify right side
    252,388.86x = 48,484,172,615.41
  5. Step 5: Solve for x
    x = 48,484,172,615.41/252,388.86
  6. Step 6: Final answer
    x = 192,101.08

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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.