Home / 181,991.60-272,988.05-55,631.34

Finding the Fourth Proportional to 181,991.60, 272,988.05 and 55,631.34

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Solution

The fourth proportional to 181,991.60, 272,988.05 and 55,631.34 is: 83,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,991.60 : 272,988.05 = 55,631.34 : x
  2. Step 2: Convert to fraction form
    181,991.60/272,988.05 = 55,631.34/x
  3. Step 3: Cross multiply
    181,991.60x = 272,988.05 × 55,631.34
  4. Step 4: Simplify right side
    181,991.60x = 15,186,690,747.33
  5. Step 5: Solve for x
    x = 15,186,690,747.33/181,991.60
  6. Step 6: Final answer
    x = 83,447.21

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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.