Home / 121,501.45-167,671.35-67,786.34

Finding the Fourth Proportional to 121,501.45, 167,671.35 and 67,786.34

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Solution

The fourth proportional to 121,501.45, 167,671.35 and 67,786.34 is: 93,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,501.45 : 167,671.35 = 67,786.34 : x
  2. Step 2: Convert to fraction form
    121,501.45/167,671.35 = 67,786.34/x
  3. Step 3: Cross multiply
    121,501.45x = 167,671.35 × 67,786.34
  4. Step 4: Simplify right side
    121,501.45x = 11,365,826,301.00
  5. Step 5: Solve for x
    x = 11,365,826,301.00/121,501.45
  6. Step 6: Final answer
    x = 93,544.78

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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.