Home / 133,529.40-184,290.06-76,929.72

Finding the Fourth Proportional to 133,529.40, 184,290.06 and 76,929.72

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Solution

The fourth proportional to 133,529.40, 184,290.06 and 76,929.72 is: 106,174.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,529.40 : 184,290.06 = 76,929.72 : x
  2. Step 2: Convert to fraction form
    133,529.40/184,290.06 = 76,929.72/x
  3. Step 3: Cross multiply
    133,529.40x = 184,290.06 × 76,929.72
  4. Step 4: Simplify right side
    133,529.40x = 14,177,382,714.58
  5. Step 5: Solve for x
    x = 14,177,382,714.58/133,529.40
  6. Step 6: Final answer
    x = 106,174.24

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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.