Home / 181,622.89-272,431.58-81,712.52

Finding the Fourth Proportional to 181,622.89, 272,431.58 and 81,712.52

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Solution

The fourth proportional to 181,622.89, 272,431.58 and 81,712.52 is: 122,567.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,622.89 : 272,431.58 = 81,712.52 : x
  2. Step 2: Convert to fraction form
    181,622.89/272,431.58 = 81,712.52/x
  3. Step 3: Cross multiply
    181,622.89x = 272,431.58 × 81,712.52
  4. Step 4: Simplify right side
    181,622.89x = 22,261,069,158.66
  5. Step 5: Solve for x
    x = 22,261,069,158.66/181,622.89
  6. Step 6: Final answer
    x = 122,567.53

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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.