Home / 133,828.20-184,682.52-76,485.29

Finding the Fourth Proportional to 133,828.20, 184,682.52 and 76,485.29

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Solution

The fourth proportional to 133,828.20, 184,682.52 and 76,485.29 is: 105,549.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,828.20 : 184,682.52 = 76,485.29 : x
  2. Step 2: Convert to fraction form
    133,828.20/184,682.52 = 76,485.29/x
  3. Step 3: Cross multiply
    133,828.20x = 184,682.52 × 76,485.29
  4. Step 4: Simplify right side
    133,828.20x = 14,125,495,176.72
  5. Step 5: Solve for x
    x = 14,125,495,176.72/133,828.20
  6. Step 6: Final answer
    x = 105,549.47

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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.