Home / 133,763.96-184,587.23-76,391.95

Finding the Fourth Proportional to 133,763.96, 184,587.23 and 76,391.95

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Solution

The fourth proportional to 133,763.96, 184,587.23 and 76,391.95 is: 105,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,763.96 : 184,587.23 = 76,391.95 : x
  2. Step 2: Convert to fraction form
    133,763.96/184,587.23 = 76,391.95/x
  3. Step 3: Cross multiply
    133,763.96x = 184,587.23 × 76,391.95
  4. Step 4: Simplify right side
    133,763.96x = 14,100,979,073.12
  5. Step 5: Solve for x
    x = 14,100,979,073.12/133,763.96
  6. Step 6: Final answer
    x = 105,416.88

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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.