Home / 181,985.40-273,269.70-137,662.20

Finding the Fourth Proportional to 181,985.40, 273,269.70 and 137,662.20

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Solution

The fourth proportional to 181,985.40, 273,269.70 and 137,662.20 is: 206,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,985.40 : 273,269.70 = 137,662.20 : x
  2. Step 2: Convert to fraction form
    181,985.40/273,269.70 = 137,662.20/x
  3. Step 3: Cross multiply
    181,985.40x = 273,269.70 × 137,662.20
  4. Step 4: Simplify right side
    181,985.40x = 37,618,908,095.34
  5. Step 5: Solve for x
    x = 37,618,908,095.34/181,985.40
  6. Step 6: Final answer
    x = 206,713.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.