Home / 255,190.27-352,178.10-142,013.02

Finding the Fourth Proportional to 255,190.27, 352,178.10 and 142,013.02

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Solution

The fourth proportional to 255,190.27, 352,178.10 and 142,013.02 is: 195,986.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,190.27 : 352,178.10 = 142,013.02 : x
  2. Step 2: Convert to fraction form
    255,190.27/352,178.10 = 142,013.02/x
  3. Step 3: Cross multiply
    255,190.27x = 352,178.10 × 142,013.02
  4. Step 4: Simplify right side
    255,190.27x = 50,013,875,558.86
  5. Step 5: Solve for x
    x = 50,013,875,558.86/255,190.27
  6. Step 6: Final answer
    x = 195,986.61

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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.