Home / 121,973.50-182,771.30-84,606.22

Finding the Fourth Proportional to 121,973.50, 182,771.30 and 84,606.22

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Solution

The fourth proportional to 121,973.50, 182,771.30 and 84,606.22 is: 126,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,973.50 : 182,771.30 = 84,606.22 : x
  2. Step 2: Convert to fraction form
    121,973.50/182,771.30 = 84,606.22/x
  3. Step 3: Cross multiply
    121,973.50x = 182,771.30 × 84,606.22
  4. Step 4: Simplify right side
    121,973.50x = 15,463,588,817.49
  5. Step 5: Solve for x
    x = 15,463,588,817.49/121,973.50
  6. Step 6: Final answer
    x = 126,778.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.