Home / 252,788.81-348,846.41-139,609.13

Finding the Fourth Proportional to 252,788.81, 348,846.41 and 139,609.13

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Solution

The fourth proportional to 252,788.81, 348,846.41 and 139,609.13 is: 192,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,788.81 : 348,846.41 = 139,609.13 : x
  2. Step 2: Convert to fraction form
    252,788.81/348,846.41 = 139,609.13/x
  3. Step 3: Cross multiply
    252,788.81x = 348,846.41 × 139,609.13
  4. Step 4: Simplify right side
    252,788.81x = 48,702,142,408.51
  5. Step 5: Solve for x
    x = 48,702,142,408.51/252,788.81
  6. Step 6: Final answer
    x = 192,659.41

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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.