Home / 189,490.92-261,490.56-104,606.16

Finding the Fourth Proportional to 189,490.92, 261,490.56 and 104,606.16

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Solution

The fourth proportional to 189,490.92, 261,490.56 and 104,606.16 is: 144,352.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,490.92 : 261,490.56 = 104,606.16 : x
  2. Step 2: Convert to fraction form
    189,490.92/261,490.56 = 104,606.16/x
  3. Step 3: Cross multiply
    189,490.92x = 261,490.56 × 104,606.16
  4. Step 4: Simplify right side
    189,490.92x = 27,353,523,357.85
  5. Step 5: Solve for x
    x = 27,353,523,357.85/189,490.92
  6. Step 6: Final answer
    x = 144,352.69

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1.5x scale

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.