Home / 189,748.72-261,837.48-104,865.76

Finding the Fourth Proportional to 189,748.72, 261,837.48 and 104,865.76

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Solution

The fourth proportional to 189,748.72, 261,837.48 and 104,865.76 is: 144,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,748.72 : 261,837.48 = 104,865.76 : x
  2. Step 2: Convert to fraction form
    189,748.72/261,837.48 = 104,865.76/x
  3. Step 3: Cross multiply
    189,748.72x = 261,837.48 × 104,865.76
  4. Step 4: Simplify right side
    189,748.72x = 27,457,786,336.68
  5. Step 5: Solve for x
    x = 27,457,786,336.68/189,748.72
  6. Step 6: Final answer
    x = 144,706.04

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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.