Home / 185,243.51-255,542.00-117,145.80

Finding the Fourth Proportional to 185,243.51, 255,542.00 and 117,145.80

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Solution

The fourth proportional to 185,243.51, 255,542.00 and 117,145.80 is: 161,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,243.51 : 255,542.00 = 117,145.80 : x
  2. Step 2: Convert to fraction form
    185,243.51/255,542.00 = 117,145.80/x
  3. Step 3: Cross multiply
    185,243.51x = 255,542.00 × 117,145.80
  4. Step 4: Simplify right side
    185,243.51x = 29,935,671,437.87
  5. Step 5: Solve for x
    x = 29,935,671,437.87/185,243.51
  6. Step 6: Final answer
    x = 161,601.73

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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.