Home / 133,498.41-184,248.53-76,137.86

Finding the Fourth Proportional to 133,498.41, 184,248.53 and 76,137.86

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Solution

The fourth proportional to 133,498.41, 184,248.53 and 76,137.86 is: 105,082.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,498.41 : 184,248.53 = 76,137.86 : x
  2. Step 2: Convert to fraction form
    133,498.41/184,248.53 = 76,137.86/x
  3. Step 3: Cross multiply
    133,498.41x = 184,248.53 × 76,137.86
  4. Step 4: Simplify right side
    133,498.41x = 14,028,287,480.41
  5. Step 5: Solve for x
    x = 14,028,287,480.41/133,498.41
  6. Step 6: Final answer
    x = 105,082.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.