Home / 124,835.64-187,090.38-57,343.20

Finding the Fourth Proportional to 124,835.64, 187,090.38 and 57,343.20

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Solution

The fourth proportional to 124,835.64, 187,090.38 and 57,343.20 is: 85,939.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,835.64 : 187,090.38 = 57,343.20 : x
  2. Step 2: Convert to fraction form
    124,835.64/187,090.38 = 57,343.20/x
  3. Step 3: Cross multiply
    124,835.64x = 187,090.38 × 57,343.20
  4. Step 4: Simplify right side
    124,835.64x = 10,728,361,078.42
  5. Step 5: Solve for x
    x = 10,728,361,078.42/124,835.64
  6. Step 6: Final answer
    x = 85,939.89

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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.