Home / 133,634.15-184,418.06-76,272.31

Finding the Fourth Proportional to 133,634.15, 184,418.06 and 76,272.31

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Solution

The fourth proportional to 133,634.15, 184,418.06 and 76,272.31 is: 105,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,634.15 : 184,418.06 = 76,272.31 : x
  2. Step 2: Convert to fraction form
    133,634.15/184,418.06 = 76,272.31/x
  3. Step 3: Cross multiply
    133,634.15x = 184,418.06 × 76,272.31
  4. Step 4: Simplify right side
    133,634.15x = 14,065,990,599.51
  5. Step 5: Solve for x
    x = 14,065,990,599.51/133,634.15
  6. Step 6: Final answer
    x = 105,257.46

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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.