Home / 181,482.22-272,129.64-81,557.02

Finding the Fourth Proportional to 181,482.22, 272,129.64 and 81,557.02

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Solution

The fourth proportional to 181,482.22, 272,129.64 and 81,557.02 is: 122,293.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,482.22 : 272,129.64 = 81,557.02 : x
  2. Step 2: Convert to fraction form
    181,482.22/272,129.64 = 81,557.02/x
  3. Step 3: Cross multiply
    181,482.22x = 272,129.64 × 81,557.02
  4. Step 4: Simplify right side
    181,482.22x = 22,194,082,492.07
  5. Step 5: Solve for x
    x = 22,194,082,492.07/181,482.22
  6. Step 6: Final answer
    x = 122,293.43

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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.