Home / 181,820.58-272,759.73-55,431.87

Finding the Fourth Proportional to 181,820.58, 272,759.73 and 55,431.87

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Solution

The fourth proportional to 181,820.58, 272,759.73 and 55,431.87 is: 83,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,820.58 : 272,759.73 = 55,431.87 : x
  2. Step 2: Convert to fraction form
    181,820.58/272,759.73 = 55,431.87/x
  3. Step 3: Cross multiply
    181,820.58x = 272,759.73 × 55,431.87
  4. Step 4: Simplify right side
    181,820.58x = 15,119,581,894.60
  5. Step 5: Solve for x
    x = 15,119,581,894.60/181,820.58
  6. Step 6: Final answer
    x = 83,156.60

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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.