Home / 189,373.33-261,340.62-104,495.86

Finding the Fourth Proportional to 189,373.33, 261,340.62 and 104,495.86

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Solution

The fourth proportional to 189,373.33, 261,340.62 and 104,495.86 is: 144,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,373.33 : 261,340.62 = 104,495.86 : x
  2. Step 2: Convert to fraction form
    189,373.33/261,340.62 = 104,495.86/x
  3. Step 3: Cross multiply
    189,373.33x = 261,340.62 × 104,495.86
  4. Step 4: Simplify right side
    189,373.33x = 27,309,011,533.13
  5. Step 5: Solve for x
    x = 27,309,011,533.13/189,373.33
  6. Step 6: Final answer
    x = 144,207.28

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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.