Home / 181,961.76-272,942.64-71,076

Finding the Fourth Proportional to 181,961.76, 272,942.64 and 71,076

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Solution

The fourth proportional to 181,961.76, 272,942.64 and 71,076 is: 106,614.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,961.76 : 272,942.64 = 71,076 : x
  2. Step 2: Convert to fraction form
    181,961.76/272,942.64 = 71,076/x
  3. Step 3: Cross multiply
    181,961.76x = 272,942.64 × 71,076
  4. Step 4: Simplify right side
    181,961.76x = 19,399,671,080.64
  5. Step 5: Solve for x
    x = 19,399,671,080.64/181,961.76
  6. Step 6: Final answer
    x = 106,614.00

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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.