Home / 181,979.20-272,968.80-166,232.80

Finding the Fourth Proportional to 181,979.20, 272,968.80 and 166,232.80

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Solution

The fourth proportional to 181,979.20, 272,968.80 and 166,232.80 is: 249,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,979.20 : 272,968.80 = 166,232.80 : x
  2. Step 2: Convert to fraction form
    181,979.20/272,968.80 = 166,232.80/x
  3. Step 3: Cross multiply
    181,979.20x = 272,968.80 × 166,232.80
  4. Step 4: Simplify right side
    181,979.20x = 45,376,367,936.64
  5. Step 5: Solve for x
    x = 45,376,367,936.64/181,979.20
  6. Step 6: Final answer
    x = 249,349.20

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1.5x scale

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.