Home / 134,035.82-184,984.20-76,680.47

Finding the Fourth Proportional to 134,035.82, 184,984.20 and 76,680.47

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Solution

The fourth proportional to 134,035.82, 184,984.20 and 76,680.47 is: 105,827.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,035.82 : 184,984.20 = 76,680.47 : x
  2. Step 2: Convert to fraction form
    134,035.82/184,984.20 = 76,680.47/x
  3. Step 3: Cross multiply
    134,035.82x = 184,984.20 × 76,680.47
  4. Step 4: Simplify right side
    134,035.82x = 14,184,674,090.25
  5. Step 5: Solve for x
    x = 14,184,674,090.25/134,035.82
  6. Step 6: Final answer
    x = 105,827.49

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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.