Home / 181,990.49-272,986.38-55,630.22

Finding the Fourth Proportional to 181,990.49, 272,986.38 and 55,630.22

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Solution

The fourth proportional to 181,990.49, 272,986.38 and 55,630.22 is: 83,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,990.49 : 272,986.38 = 55,630.22 : x
  2. Step 2: Convert to fraction form
    181,990.49/272,986.38 = 55,630.22/x
  3. Step 3: Cross multiply
    181,990.49x = 272,986.38 × 55,630.22
  4. Step 4: Simplify right side
    181,990.49x = 15,186,291,011.47
  5. Step 5: Solve for x
    x = 15,186,291,011.47/181,990.49
  6. Step 6: Final answer
    x = 83,445.52

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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.