Home / 121,525.30-167,700.54-76,227.67

Finding the Fourth Proportional to 121,525.30, 167,700.54 and 76,227.67

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Solution

The fourth proportional to 121,525.30, 167,700.54 and 76,227.67 is: 105,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,525.30 : 167,700.54 = 76,227.67 : x
  2. Step 2: Convert to fraction form
    121,525.30/167,700.54 = 76,227.67/x
  3. Step 3: Cross multiply
    121,525.30x = 167,700.54 × 76,227.67
  4. Step 4: Simplify right side
    121,525.30x = 12,783,421,421.94
  5. Step 5: Solve for x
    x = 12,783,421,421.94/121,525.30
  6. Step 6: Final answer
    x = 105,191.44

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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.