Home / 252,939.04-349,055.76-139,760.80

Finding the Fourth Proportional to 252,939.04, 349,055.76 and 139,760.80

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Solution

The fourth proportional to 252,939.04, 349,055.76 and 139,760.80 is: 192,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,939.04 : 349,055.76 = 139,760.80 : x
  2. Step 2: Convert to fraction form
    252,939.04/349,055.76 = 139,760.80/x
  3. Step 3: Cross multiply
    252,939.04x = 349,055.76 × 139,760.80
  4. Step 4: Simplify right side
    252,939.04x = 48,784,312,262.21
  5. Step 5: Solve for x
    x = 48,784,312,262.21/252,939.04
  6. Step 6: Final answer
    x = 192,869.84

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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.