Home / 133,480.09-184,223.19-76,119.51

Finding the Fourth Proportional to 133,480.09, 184,223.19 and 76,119.51

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Solution

The fourth proportional to 133,480.09, 184,223.19 and 76,119.51 is: 105,056.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,480.09 : 184,223.19 = 76,119.51 : x
  2. Step 2: Convert to fraction form
    133,480.09/184,223.19 = 76,119.51/x
  3. Step 3: Cross multiply
    133,480.09x = 184,223.19 × 76,119.51
  4. Step 4: Simplify right side
    133,480.09x = 14,022,979,929.72
  5. Step 5: Solve for x
    x = 14,022,979,929.72/133,480.09
  6. Step 6: Final answer
    x = 105,056.72

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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.