Home / 133,881.06-184,754.31-77,291.22

Finding the Fourth Proportional to 133,881.06, 184,754.31 and 77,291.22

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Solution

The fourth proportional to 133,881.06, 184,754.31 and 77,291.22 is: 106,660.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,881.06 : 184,754.31 = 77,291.22 : x
  2. Step 2: Convert to fraction form
    133,881.06/184,754.31 = 77,291.22/x
  3. Step 3: Cross multiply
    133,881.06x = 184,754.31 × 77,291.22
  4. Step 4: Simplify right side
    133,881.06x = 14,279,886,020.16
  5. Step 5: Solve for x
    x = 14,279,886,020.16/133,881.06
  6. Step 6: Final answer
    x = 106,660.99

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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.