Home / 178,735.02-268,102.31-45,615.29

Finding the Fourth Proportional to 178,735.02, 268,102.31 and 45,615.29

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Solution

The fourth proportional to 178,735.02, 268,102.31 and 45,615.29 is: 68,422.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,735.02 : 268,102.31 = 45,615.29 : x
  2. Step 2: Convert to fraction form
    178,735.02/268,102.31 = 45,615.29/x
  3. Step 3: Cross multiply
    178,735.02x = 268,102.31 × 45,615.29
  4. Step 4: Simplify right side
    178,735.02x = 12,229,565,490.14
  5. Step 5: Solve for x
    x = 12,229,565,490.14/178,735.02
  6. Step 6: Final answer
    x = 68,422.88

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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.