Home / 124,740.42-172,092.90-76,910.73

Finding the Fourth Proportional to 124,740.42, 172,092.90 and 76,910.73

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Solution

The fourth proportional to 124,740.42, 172,092.90 and 76,910.73 is: 106,106.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,740.42 : 172,092.90 = 76,910.73 : x
  2. Step 2: Convert to fraction form
    124,740.42/172,092.90 = 76,910.73/x
  3. Step 3: Cross multiply
    124,740.42x = 172,092.90 × 76,910.73
  4. Step 4: Simplify right side
    124,740.42x = 13,235,790,566.82
  5. Step 5: Solve for x
    x = 13,235,790,566.82/124,740.42
  6. Step 6: Final answer
    x = 106,106.67

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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.