Home / 252,582.75-348,564.60-139,405.50

Finding the Fourth Proportional to 252,582.75, 348,564.60 and 139,405.50

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Solution

The fourth proportional to 252,582.75, 348,564.60 and 139,405.50 is: 192,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,582.75 : 348,564.60 = 139,405.50 : x
  2. Step 2: Convert to fraction form
    252,582.75/348,564.60 = 139,405.50/x
  3. Step 3: Cross multiply
    252,582.75x = 348,564.60 × 139,405.50
  4. Step 4: Simplify right side
    252,582.75x = 48,591,822,345.30
  5. Step 5: Solve for x
    x = 48,591,822,345.30/252,582.75
  6. Step 6: Final answer
    x = 192,379.81

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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.