Home / 133,717.20-184,484.22-76,315.44

Finding the Fourth Proportional to 133,717.20, 184,484.22 and 76,315.44

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Solution

The fourth proportional to 133,717.20, 184,484.22 and 76,315.44 is: 105,289.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,717.20 : 184,484.22 = 76,315.44 : x
  2. Step 2: Convert to fraction form
    133,717.20/184,484.22 = 76,315.44/x
  3. Step 3: Cross multiply
    133,717.20x = 184,484.22 × 76,315.44
  4. Step 4: Simplify right side
    133,717.20x = 14,078,994,422.36
  5. Step 5: Solve for x
    x = 14,078,994,422.36/133,717.20
  6. Step 6: Final answer
    x = 105,289.33

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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.