Home / 121,407.70-182,014.35-51,229.30

Finding the Fourth Proportional to 121,407.70, 182,014.35 and 51,229.30

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Solution

The fourth proportional to 121,407.70, 182,014.35 and 51,229.30 is: 76,802.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,407.70 : 182,014.35 = 51,229.30 : x
  2. Step 2: Convert to fraction form
    121,407.70/182,014.35 = 51,229.30/x
  3. Step 3: Cross multiply
    121,407.70x = 182,014.35 × 51,229.30
  4. Step 4: Simplify right side
    121,407.70x = 9,324,467,740.46
  5. Step 5: Solve for x
    x = 9,324,467,740.46/121,407.70
  6. Step 6: Final answer
    x = 76,802.94

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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.