Home / 123,984.64-185,873.28-57,472.53

Finding the Fourth Proportional to 123,984.64, 185,873.28 and 57,472.53

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Solution

The fourth proportional to 123,984.64, 185,873.28 and 57,472.53 is: 86,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,984.64 : 185,873.28 = 57,472.53 : x
  2. Step 2: Convert to fraction form
    123,984.64/185,873.28 = 57,472.53/x
  3. Step 3: Cross multiply
    123,984.64x = 185,873.28 × 57,472.53
  4. Step 4: Simplify right side
    123,984.64x = 10,682,607,661.00
  5. Step 5: Solve for x
    x = 10,682,607,661.00/123,984.64
  6. Step 6: Final answer
    x = 86,160.73

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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.