Home / 133,625.88-184,419.24-77,039.28

Finding the Fourth Proportional to 133,625.88, 184,419.24 and 77,039.28

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Solution

The fourth proportional to 133,625.88, 184,419.24 and 77,039.28 is: 106,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,625.88 : 184,419.24 = 77,039.28 : x
  2. Step 2: Convert to fraction form
    133,625.88/184,419.24 = 77,039.28/x
  3. Step 3: Cross multiply
    133,625.88x = 184,419.24 × 77,039.28
  4. Step 4: Simplify right side
    133,625.88x = 14,207,525,467.75
  5. Step 5: Solve for x
    x = 14,207,525,467.75/133,625.88
  6. Step 6: Final answer
    x = 106,323.16

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1.5x scale

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.