Home / 254,001.18-381,017.60-67,012.86

Finding the Fourth Proportional to 254,001.18, 381,017.60 and 67,012.86

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Solution

The fourth proportional to 254,001.18, 381,017.60 and 67,012.86 is: 100,523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,001.18 : 381,017.60 = 67,012.86 : x
  2. Step 2: Convert to fraction form
    254,001.18/381,017.60 = 67,012.86/x
  3. Step 3: Cross multiply
    254,001.18x = 381,017.60 × 67,012.86
  4. Step 4: Simplify right side
    254,001.18x = 25,533,079,086.34
  5. Step 5: Solve for x
    x = 25,533,079,086.34/254,001.18
  6. Step 6: Final answer
    x = 100,523.47

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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.