Home / 122,929.10-169,628.13-69,212.73

Finding the Fourth Proportional to 122,929.10, 169,628.13 and 69,212.73

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Solution

The fourth proportional to 122,929.10, 169,628.13 and 69,212.73 is: 95,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,929.10 : 169,628.13 = 69,212.73 : x
  2. Step 2: Convert to fraction form
    122,929.10/169,628.13 = 69,212.73/x
  3. Step 3: Cross multiply
    122,929.10x = 169,628.13 × 69,212.73
  4. Step 4: Simplify right side
    122,929.10x = 11,740,425,962.09
  5. Step 5: Solve for x
    x = 11,740,425,962.09/122,929.10
  6. Step 6: Final answer
    x = 95,505.67

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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.