Home / 252,665.36-348,669.06-139,485.68

Finding the Fourth Proportional to 252,665.36, 348,669.06 and 139,485.68

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Solution

The fourth proportional to 252,665.36, 348,669.06 and 139,485.68 is: 192,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,665.36 : 348,669.06 = 139,485.68 : x
  2. Step 2: Convert to fraction form
    252,665.36/348,669.06 = 139,485.68/x
  3. Step 3: Cross multiply
    252,665.36x = 348,669.06 × 139,485.68
  4. Step 4: Simplify right side
    252,665.36x = 48,634,340,929.06
  5. Step 5: Solve for x
    x = 48,634,340,929.06/252,665.36
  6. Step 6: Final answer
    x = 192,485.19

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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.