Home / 181,867.70-272,801.55-166,121.30

Finding the Fourth Proportional to 181,867.70, 272,801.55 and 166,121.30

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Solution

The fourth proportional to 181,867.70, 272,801.55 and 166,121.30 is: 249,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,867.70 : 272,801.55 = 166,121.30 : x
  2. Step 2: Convert to fraction form
    181,867.70/272,801.55 = 166,121.30/x
  3. Step 3: Cross multiply
    181,867.70x = 272,801.55 × 166,121.30
  4. Step 4: Simplify right side
    181,867.70x = 45,318,148,128.02
  5. Step 5: Solve for x
    x = 45,318,148,128.02/181,867.70
  6. Step 6: Final answer
    x = 249,181.95

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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.