Home / 189,669.76-261,749.58-104,792.32

Finding the Fourth Proportional to 189,669.76, 261,749.58 and 104,792.32

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Solution

The fourth proportional to 189,669.76, 261,749.58 and 104,792.32 is: 144,616.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,669.76 : 261,749.58 = 104,792.32 : x
  2. Step 2: Convert to fraction form
    189,669.76/261,749.58 = 104,792.32/x
  3. Step 3: Cross multiply
    189,669.76x = 261,749.58 × 104,792.32
  4. Step 4: Simplify right side
    189,669.76x = 27,429,345,747.23
  5. Step 5: Solve for x
    x = 27,429,345,747.23/189,669.76
  6. Step 6: Final answer
    x = 144,616.34

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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.