Home / 189,581.54-261,622.42-104,697.86

Finding the Fourth Proportional to 189,581.54, 261,622.42 and 104,697.86

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Solution

The fourth proportional to 189,581.54, 261,622.42 and 104,697.86 is: 144,482.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,581.54 : 261,622.42 = 104,697.86 : x
  2. Step 2: Convert to fraction form
    189,581.54/261,622.42 = 104,697.86/x
  3. Step 3: Cross multiply
    189,581.54x = 261,622.42 × 104,697.86
  4. Step 4: Simplify right side
    189,581.54x = 27,391,307,502.02
  5. Step 5: Solve for x
    x = 27,391,307,502.02/189,581.54
  6. Step 6: Final answer
    x = 144,482.99

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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.