Home / 252,811.86-348,871.20-139,632.18

Finding the Fourth Proportional to 252,811.86, 348,871.20 and 139,632.18

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Solution

The fourth proportional to 252,811.86, 348,871.20 and 139,632.18 is: 192,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,811.86 : 348,871.20 = 139,632.18 : x
  2. Step 2: Convert to fraction form
    252,811.86/348,871.20 = 139,632.18/x
  3. Step 3: Cross multiply
    252,811.86x = 348,871.20 × 139,632.18
  4. Step 4: Simplify right side
    252,811.86x = 48,713,646,195.22
  5. Step 5: Solve for x
    x = 48,713,646,195.22/252,811.86
  6. Step 6: Final answer
    x = 192,687.35

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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.