Home / 121,525.05-167,659.83-76,204.92

Finding the Fourth Proportional to 121,525.05, 167,659.83 and 76,204.92

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Solution

The fourth proportional to 121,525.05, 167,659.83 and 76,204.92 is: 105,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,525.05 : 167,659.83 = 76,204.92 : x
  2. Step 2: Convert to fraction form
    121,525.05/167,659.83 = 76,204.92/x
  3. Step 3: Cross multiply
    121,525.05x = 167,659.83 × 76,204.92
  4. Step 4: Simplify right side
    121,525.05x = 12,776,503,932.36
  5. Step 5: Solve for x
    x = 12,776,503,932.36/121,525.05
  6. Step 6: Final answer
    x = 105,134.74

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1.5x scale

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.