Home / 133,656.98-184,451.72-76,305.65

Finding the Fourth Proportional to 133,656.98, 184,451.72 and 76,305.65

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Solution

The fourth proportional to 133,656.98, 184,451.72 and 76,305.65 is: 105,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,656.98 : 184,451.72 = 76,305.65 : x
  2. Step 2: Convert to fraction form
    133,656.98/184,451.72 = 76,305.65/x
  3. Step 3: Cross multiply
    133,656.98x = 184,451.72 × 76,305.65
  4. Step 4: Simplify right side
    133,656.98x = 14,074,707,656.72
  5. Step 5: Solve for x
    x = 14,074,707,656.72/133,656.98
  6. Step 6: Final answer
    x = 105,304.69

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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.