Home / 133,643.45-184,427.93-79,928.47

Finding the Fourth Proportional to 133,643.45, 184,427.93 and 79,928.47

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Solution

The fourth proportional to 133,643.45, 184,427.93 and 79,928.47 is: 110,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,643.45 : 184,427.93 = 79,928.47 : x
  2. Step 2: Convert to fraction form
    133,643.45/184,427.93 = 79,928.47/x
  3. Step 3: Cross multiply
    133,643.45x = 184,427.93 × 79,928.47
  4. Step 4: Simplify right side
    133,643.45x = 14,741,042,700.52
  5. Step 5: Solve for x
    x = 14,741,042,700.52/133,643.45
  6. Step 6: Final answer
    x = 110,301.27

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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.