Home / 134,055.81-184,976.46-77,456.25

Finding the Fourth Proportional to 134,055.81, 184,976.46 and 77,456.25

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Solution

The fourth proportional to 134,055.81, 184,976.46 and 77,456.25 is: 106,877.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,055.81 : 184,976.46 = 77,456.25 : x
  2. Step 2: Convert to fraction form
    134,055.81/184,976.46 = 77,456.25/x
  3. Step 3: Cross multiply
    134,055.81x = 184,976.46 × 77,456.25
  4. Step 4: Simplify right side
    134,055.81x = 14,327,582,929.88
  5. Step 5: Solve for x
    x = 14,327,582,929.88/134,055.81
  6. Step 6: Final answer
    x = 106,877.75

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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.