Home / 181,935.10-272,914.80-61,990.30

Finding the Fourth Proportional to 181,935.10, 272,914.80 and 61,990.30

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Solution

The fourth proportional to 181,935.10, 272,914.80 and 61,990.30 is: 92,989.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,935.10 : 272,914.80 = 61,990.30 : x
  2. Step 2: Convert to fraction form
    181,935.10/272,914.80 = 61,990.30/x
  3. Step 3: Cross multiply
    181,935.10x = 272,914.80 × 61,990.30
  4. Step 4: Simplify right side
    181,935.10x = 16,918,070,326.44
  5. Step 5: Solve for x
    x = 16,918,070,326.44/181,935.10
  6. Step 6: Final answer
    x = 92,989.59

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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.