Home / 133,339.04-184,028.64-76,738.40

Finding the Fourth Proportional to 133,339.04, 184,028.64 and 76,738.40

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Solution

The fourth proportional to 133,339.04, 184,028.64 and 76,738.40 is: 105,910.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,339.04 : 184,028.64 = 76,738.40 : x
  2. Step 2: Convert to fraction form
    133,339.04/184,028.64 = 76,738.40/x
  3. Step 3: Cross multiply
    133,339.04x = 184,028.64 × 76,738.40
  4. Step 4: Simplify right side
    133,339.04x = 14,122,063,387.78
  5. Step 5: Solve for x
    x = 14,122,063,387.78/133,339.04
  6. Step 6: Final answer
    x = 105,910.94

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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.