Home / 189,530.34-261,548.73-104,645.22

Finding the Fourth Proportional to 189,530.34, 261,548.73 and 104,645.22

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Solution

The fourth proportional to 189,530.34, 261,548.73 and 104,645.22 is: 144,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,530.34 : 261,548.73 = 104,645.22 : x
  2. Step 2: Convert to fraction form
    189,530.34/261,548.73 = 104,645.22/x
  3. Step 3: Cross multiply
    189,530.34x = 261,548.73 × 104,645.22
  4. Step 4: Simplify right side
    189,530.34x = 27,369,824,391.57
  5. Step 5: Solve for x
    x = 27,369,824,391.57/189,530.34
  6. Step 6: Final answer
    x = 144,408.67

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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.