Home / 252,784.18-348,840.03-139,604.50

Finding the Fourth Proportional to 252,784.18, 348,840.03 and 139,604.50

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Solution

The fourth proportional to 252,784.18, 348,840.03 and 139,604.50 is: 192,653.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,784.18 : 348,840.03 = 139,604.50 : x
  2. Step 2: Convert to fraction form
    252,784.18/348,840.03 = 139,604.50/x
  3. Step 3: Cross multiply
    252,784.18x = 348,840.03 × 139,604.50
  4. Step 4: Simplify right side
    252,784.18x = 48,699,637,968.14
  5. Step 5: Solve for x
    x = 48,699,637,968.14/252,784.18
  6. Step 6: Final answer
    x = 192,653.03

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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.