Home / 189,580.26-261,617.13-104,695.50

Finding the Fourth Proportional to 189,580.26, 261,617.13 and 104,695.50

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Solution

The fourth proportional to 189,580.26, 261,617.13 and 104,695.50 is: 144,477.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,580.26 : 261,617.13 = 104,695.50 : x
  2. Step 2: Convert to fraction form
    189,580.26/261,617.13 = 104,695.50/x
  3. Step 3: Cross multiply
    189,580.26x = 261,617.13 × 104,695.50
  4. Step 4: Simplify right side
    189,580.26x = 27,390,136,233.92
  5. Step 5: Solve for x
    x = 27,390,136,233.92/189,580.26
  6. Step 6: Final answer
    x = 144,477.79

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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.