Home / 133,612.94-184,334.56-76,255.45

Finding the Fourth Proportional to 133,612.94, 184,334.56 and 76,255.45

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Solution

The fourth proportional to 133,612.94, 184,334.56 and 76,255.45 is: 105,203.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,612.94 : 184,334.56 = 76,255.45 : x
  2. Step 2: Convert to fraction form
    133,612.94/184,334.56 = 76,255.45/x
  3. Step 3: Cross multiply
    133,612.94x = 184,334.56 × 76,255.45
  4. Step 4: Simplify right side
    133,612.94x = 14,056,514,442.07
  5. Step 5: Solve for x
    x = 14,056,514,442.07/133,612.94
  6. Step 6: Final answer
    x = 105,203.24

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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.