Home / 133,924.38-184,842.99-77,328.06

Finding the Fourth Proportional to 133,924.38, 184,842.99 and 77,328.06

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Solution

The fourth proportional to 133,924.38, 184,842.99 and 77,328.06 is: 106,728.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,924.38 : 184,842.99 = 77,328.06 : x
  2. Step 2: Convert to fraction form
    133,924.38/184,842.99 = 77,328.06/x
  3. Step 3: Cross multiply
    133,924.38x = 184,842.99 × 77,328.06
  4. Step 4: Simplify right side
    133,924.38x = 14,293,549,821.30
  5. Step 5: Solve for x
    x = 14,293,549,821.30/133,924.38
  6. Step 6: Final answer
    x = 106,728.51

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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.