Home / 134,113.32-184,999.39-83,724.84

Finding the Fourth Proportional to 134,113.32, 184,999.39 and 83,724.84

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Solution

The fourth proportional to 134,113.32, 184,999.39 and 83,724.84 is: 115,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,113.32 : 184,999.39 = 83,724.84 : x
  2. Step 2: Convert to fraction form
    134,113.32/184,999.39 = 83,724.84/x
  3. Step 3: Cross multiply
    134,113.32x = 184,999.39 × 83,724.84
  4. Step 4: Simplify right side
    134,113.32x = 15,489,044,327.85
  5. Step 5: Solve for x
    x = 15,489,044,327.85/134,113.32
  6. Step 6: Final answer
    x = 115,492.21

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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.