Home / 178,829.64-268,185.20-72,186.03

Finding the Fourth Proportional to 178,829.64, 268,185.20 and 72,186.03

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Solution

The fourth proportional to 178,829.64, 268,185.20 and 72,186.03 is: 108,255.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,829.64 : 268,185.20 = 72,186.03 : x
  2. Step 2: Convert to fraction form
    178,829.64/268,185.20 = 72,186.03/x
  3. Step 3: Cross multiply
    178,829.64x = 268,185.20 × 72,186.03
  4. Step 4: Simplify right side
    178,829.64x = 19,359,224,531.83
  5. Step 5: Solve for x
    x = 19,359,224,531.83/178,829.64
  6. Step 6: Final answer
    x = 108,255.12

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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.