Home / 122,719.68-169,349.78-69,003.32

Finding the Fourth Proportional to 122,719.68, 169,349.78 and 69,003.32

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Solution

The fourth proportional to 122,719.68, 169,349.78 and 69,003.32 is: 95,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,719.68 : 169,349.78 = 69,003.32 : x
  2. Step 2: Convert to fraction form
    122,719.68/169,349.78 = 69,003.32/x
  3. Step 3: Cross multiply
    122,719.68x = 169,349.78 × 69,003.32
  4. Step 4: Simplify right side
    122,719.68x = 11,685,695,869.50
  5. Step 5: Solve for x
    x = 11,685,695,869.50/122,719.68
  6. Step 6: Final answer
    x = 95,222.67

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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.